Correa alba Andrews var. rotundifolia pc. (Rutaceae): an old name for a newly recognised variety endemic to south-eastern Tasmania B.-K. and M. F. Duretto" ^ aTasmanian Herbarium, Tasmanian Museum & Art Gallery, Private Bag 4, Hobart, Tasmania 7001, Australia b5chool of Plant Science, University of Tasmania, Private Bag 55, Hobart, Tasmania 7001, Australia c present address: Laboratory of Plant Systematics, Department of Biology, Kyung Hee University, Seoul 130-701, South Korea; e-mail: [email protected] Introduction Abstract The name Correa alba Andrews Correa ofba Andrews (Rutaceae), though easily identifiable, has had var. rotundifolia DC. (Rutaceae) is a complicated taxonomic history. The genus and species were first resurrected for a newly recognised described by Andrews (1798) from material that was grown from variety endemic to south-eastern seed collected by Sir Joseph Banks from Port Jackson [Sydney] (Table Tasmania. Mozeutoxeron rufum Labill., 1), Soon after this Salisbury (1808) indicated that he had never seen the basionym, is lectotypified. A plants with petals that were entirely white and so thought the specific key to the three varieties of C. alba is provided as are descriptions and epithet, alba, was inappropriate. He erected the new name C cotlnifolio notes. Salisb. which, as C alba is given in synonymy under var. a, is illegitimate. Muelleria 26(2): 45-53 (2008) Labillardiere (1800) described Mozeutoxeron Labill. and M. rufum Labill. from material he collected in south-eastern Tasmania in 1793 (Table 1). Ventenat (1803) transferred this species to the genus Correa Andrews and later, Candolle (1824) published it as a variety of C alba: C. alba var. rotundifolia DC.The epithet 'rotundifolia'was again used by Lindley (1838) when he described C rotundifolia Lindl. This taxon was based on material collected from Gleneig River [western Victoria] byT.L. Mitchell in 1836. Bentham (1863) reduced this species to a variety of C alba, Correa alba var. rotundifolia (Lindl.) Benth., an illegitimate combination as it is a later homonym of C alba var. rotundifolia DC. (Table 1). Wilson (1961) determined that the taxon described by Lindley warranted taxonomic recognition and so created the new name C. alba var. pannosa Paul G.Wilson based on C rotundifolia. Correa alba is found in near-coastal areas from Kangaroo Island [requires confirmation - see Distribution under var. pannosa] and the Southern Lofty Region (South Australia) through southern Victoria and to the North Coast of New South Wales. It is also found on the islands of the eastern side of Bass Strait and has a patchy distribution on the northern and eastern coasts, and nearby islands, of the island Kiiy.ll. Botanic of Tasmania. Currently two varieties are recognised (see Wilson 1961, (Jardons Mrlboiiriic Muelleria 45 Choi & Duretto 1998; Anderson 1986; Duretto 1999; Anonymous 2001; Materials and methods Weston & Harden 2002; Ross & Walsh 2003; Walsh & Research was carried out on both herbarium specimens Stajsic 2007). Correa alba var. alba is found in New South and on material collected in thefteld. Herbarium material Wales, eastern Victoria and Tasmania. Correa alba var. (c. 200 specimens) from the Tasmanian Herbarium pannosa is found in western Victoria and south-eastern (HO), the National Herbarium of Victoria (MEL) and the South Australia. National Herbarium of Australia (CANB) was studied. Correa alba var. alba shows some variation which This covered the full geographical distribution of C. alba. was noted by Wilson (1961) who noted that plants Plant collections of C. alba were made in south-eastern in the north had leaves that were 'thinly tomentose Tasmania, in the South Arm area (two populations) and below'while plants from further south had leaves that the Tasman Peninsula (three populations). Specimens were'thickly ferruginous toment05e'(see Fig. 1).Typical from three to five widely spaced plants were collected var. alba is found on the East Coast of Tasmania north from each population sampled. Specimens have been fromTriabunna and across northern Tasmania, on the lodged at the Tasmanian Herbarium. The typical form islands of eastern Bass Strait through eastern Victoria of C. alba var. alba was observed in the field by BKC at and in coastal New South Wales. The abaxial surface Swansea, Oyster Bay, Freycinet Peninsula (Tas.) and of the leaves has a dense indumentum of stellate hairs Jervis Bay (ACT). that are mostly sessile (Fig. lA-D). A form from south¬ For Scanning Electron Microscopy (SEM), leaves of eastern Tasmania, theTasman and Forestier peninsulas, selected specimens were mounted on aluminium stubs the South Arm area (near Hobart) and Bruny Island, Is using double-sided or carbon tape with carbon paint. easily distinguishable in that it has large hairs that are Specimens were then coated with platinum using a stalked (Fig. 11-L). There is a 50 km wide gap, between JFC-noOE ion sputtering device, and examined and Dunalley and Triabunna, separating the two forms. photographed at 7kV and 1 OkV using HITACHI S-4700. This second form from the south-east of Tasmania, Terminology for describing the hairs is complex with the stalked hairs, matches the type material of and not fully covered in e.g. Hewson (1988). In C alba Mazeutoxeron rufum and so the name C alba var. var. pannosa and var. rotundifolia the stellate hairs rotundifolia DC. can be applied to it (see Typification are stalked. In the latter the stalk is usually smooth under this variety). Correa alba var. rotundifolia is similar (i.e. lacking outgrowths) and terminates in a tuft of in appearance to C alba var. pannosa as both have multidirectional rays. In var. pannosa the stalk often large stalked hairs (Fig. 1E-L), but the stalks and rays of has a number of simple rays (similar to those of the the hairs are shorter in var. rotundifolia. Also the stalks terminal tuft) emerging from it. These simple rays are of the hairs of C. alba var. pannosa often have a large often clustered and so the hair often looks like two to number of rays along their length, whereas they are four stalked stellate hairs placed on top of each other. smooth and rayless except at the tip in var. rotundifolia As such it would be misleading to call the hair dendritic (see key to varieties below). (branched like a tree) or branched (see Fig. 1). Table 1: Nomenclatorial history of Correa alba Name Date Basionym Accepted name Correa alba Andrews 1798 C. alba C. cotinifolia Salisb. 1808 Ca/ba Andrews C. alba Mazeutoxeron rufum Labiil. 1800 C. alba var. rotundifolia DC. C. rufa (Labiil.) Vent. 1803 M. rufum Labiil. C. alba var. rotundifolia DC. C. alba var. rotundifolia DC. 1824 M. rufum Labiil. C. alba var. rotundifolia DC. C. rotundifolia Lindl. 1838 C. alba \/ar. pannosa C. alba var. rotundifolia (Lindl.) Benth. 1863 C rotundifolia Lindl. C.alba yar. pannosa C. alba var. pannosa Paul G.Wilson 1961 C. rotundifolia Lindl. C. alba yar. pannosa 46 Vol 26(2) 2008 Correa Alba Taxonomy Region (South Australia) through southern Victoria and to the North Coast of New South Wales. In Tasmania it is found on the islands on the eastern side of Bass Strait Correa alba Andrews, Bot Repos. 1: t.18 (1798) and has a patchy distribution on the northern and Correa cotinifolia Salisb., Parad. Lond. t, 100 (1808), eastern coasts of the Tasmanian mainland and offshore nom. iifeg., based on above. islands. It is apparently absent from King Island. Type: NEW SOUTH WALES. Port Jackson, raised in HabitatJhe species occurs in near coastal situations 1793 from seeds given by J. Banks to J. Vere (holotype on foredunes, cliffs and headlands. It is found growing [see Wilson 1961, p. 3S]: Bot. Repos. 1:t. 18). on both calcareous and siliceous substrates (sand and/ Rounded, spreading, multi-stemmed, woody or rock) in heath or woodland. shrub to 3 m high, to 4 m in diameter, large plants Notes: Correa alba readily hybridises with other often supported by other vegetation; stems stellate species of Correa (see Wilson 1961; Anderson 1986; tomentose, glabrescent with age; stellate hairs white Duretto 1999). to red-brown. Leaves simple, petiolate; petiole 2-8 mm Infraspecific variation: Three varieties are long; lamina elliptic to obovate to orbicular, rarely ovate recognised for the species. The rank of variety is or lanceolate or oblanceolate, 5-46 mm long, 2.5-28.5 appropriate (as opposed to subspecies and species) mm wide, discolorous; tip acute to obtuse; margins as the distinctions between the taxa are based on few entire; adaxial surface greyish green, with a sparse to characters, and these mostly pertaining to hairs, and moderately dense indumentum of stellate hairs that some problematic specimens do exist (see Notes under are often eventually deciduous; abaxial surface densely var. pannosa). white or greenish white or reddish brown, stellate Conservation status: Overall the species tomentose. Flowers axillary, often solitary though up to appears to be secure with the typical variety secure 5 flowers per inflorescence not uncommon and then and the other two being rare but found in reserves (see usually one flower opening at a time; peduncles to 9 below). Correa alba is used extensively in horticultural mm long; bracts leaf-like; bracteoles minute; pedicels and revegetation plantings. In Hobart, the two 0.5-6.5 mm. Calyx cuplike, 2.5-7 mm long, truncate Tasmanian varieties (var. alba and var. rotundifolia) to slightly dentate to dentate or broadly lobed. Petals are both available and commonly used, sometimes partially fused in bud, free at anthesis, white or rarely in mixed plantings, even though var. alba is not pink, 7-17 mm long, 1.5-5 mm wide, adaxial surface indigenous to the area. Care should be taken to use glabrous, abaxial surface sparsely to densely stellate only locally sourced material for any revegetation or tomentose, stellate hairs with rays 0.3-1.8 mm long. coastal planting programs to avoid polluting local Cocci hairy, 4-7 mm long, 3-5 mm wide. gene pools. Distribution: Correa alba is found in near coastal areasfrom Kangaroo Island [requiresconfirmation-see Distribution under var.pannosa] and the Southern Lofty Key to varieties of Correa olba 1 Stellate hairs on abaxial surface of leaves not stalked or occasionally stalked; stalks, when present, to 0.05 mm long (NSW, Vic., Tas.).1 • var. alba 1: Stellate hairs on abaxial surface of leaves stalked; stalks to 2 mm long (SA, Vic., Tas.).2 2 Indumentum of branches and sometimes the abaxial surface of the leaves and calyx uneven and appearing floccose; stalks of stellate hairs long, with some at least 0.75-2.0 mm long, many with rays emerging below the terminal tuft of rays, especially on branches; rays of at least some of the hairs 0.5-1.0 mm long (SA, Vic.).2. var.pannosa 2: Indumentum of the branches and the abaxial surface of the leaves and calyx smooth and even; stalks of stellate hairs to 0.5 (-0.75) mm long, mostly smooth, viz, without rays emerging below terminal tuft; rays to 0.5(-0.75) mm long (Tas.).3. var. rotundifolia Muelleria 47 Choi & Duretto Figure 1. Leaf hairs of Correc? alba: A-D, C alba var. alba {Dureffo 2070 etal., HO); E-H, C alba var. pannosa {Whibley 10166, HO); l-L, C alba var. rotundifolia {Choi22 & Dureffo, HO). A, B, E, F, I, J - abaxial surface; C, G, K - cross section with abaxial surface on top; D, H, L - cross section with detail of hair on abaxial surface. A, C, E, G, I, K ~ x50; B, D, F, H, J, L - x200. 1. Correa alba Andrews var. alba WALES. North Entrance Peninsula, Tuggerah Beach, 33°18'S Shrub to 1.5 {NSW, Vic.) and 3 (Tas.) m high; stems 15r32'E, W.Bishop, J.Dalby & TJames 812, 22.viii.1985 and leaves stellate tomentose (Fig. 1 A-D), indumentum (CANB); La Perouse, 33"59'30''S 15n4'E, R. Coveny 11249 & MJaylor, 30.viii.l982 (CANB); Jemisons Beach, 500 m S of smooth in appearance, stellate hairs usually white, Potato Point, 36*’06'30''S 150”08'15''E, J.L/ney s.n., 12.viii.l993 sometimes red-brown, mostly sessile, or sometimes (CANB); Wallaga Lake, Haywards Beach, Tilba road, 36“24'20"S with stalks to 0.05 mm long and without rays below 150'’03'50"E, N.Scbultz 103,23.iv.l 994 (CANB, MEL). VICTORIA. terminal tuft, rays 0.1-0.25(-0.5) mm long. Leaves Quarry Beach, c. 7 km SW of Mallacoota, 37*36’S 149°44'E, with petioles 2.5-7 mm long; lamina 7-46 mm long, P.CJobson 3517, 15.iv.l995 (CANB, MEL); Tidal River, Wilson's 4.5-28.5 mm wide. Peduncles 1-6.5 mm long; pedicels Promontory, I.Hastings, 12.viii.l971 (MEL); Blairgowrie, track 1.25-6.5 mm. Calyx 3.25-7 mm long. Petals 8.5-17 mm leading from Spray Point Road through Ocean Reserve to Bass long, 1.5-4.5 mm wide. Strait, Mornington Peninsula, 38®22'S 144°46'E, J.H.Ross 2533, 4.iv.l981 (HO, MEL). TASMANIA. Craggy Island (15km NW Selected specimens (of c. 170 examined): AUSTRALIAN CAPITAL TERRITORY. Cave Beach, Jervis Bay, 35°00'S of Flinders Island), 39M1'S 147MVE, S.Harris, 7.xii.l986 (HO); 150°42'E, F.W.Howes 27, 13.viii.l980 (CANB). NEW SOUTH Sentinel Island, 39"49'S 147'’46'E, J.S.Wfi/nroy8987 (AD, CANB, HO); Coastal dune E of the south eastern corner of East River, 48 Vol 26(2) 2008 Correa Alba Flinders Island, 40°7'S }A8°}3'E,J.S.Whinray8246 (NSW, CANB, the South-West botanical region of Tasmania are of /VO, HO); Kangaroo Island, 40“41'S 144M9'E, A.M.Buchanon var. rotundifolia from Bruny Island and maybe South 9//5, 28.xii.1986 (HO); Turners beach, Ulverstone, 4riO'S Cape (see below). Curiously the specimen is a perfect 146°! 4'E, LRichley 268,28.vi.1976 (HO); E Rocky Cape, 40"5rs match for (leaf colour etc.) and of the same vintage as a 145"30'E, M.AIIan, 22.iii.1979 (HO); Boat Harbour, 40“57'S herbarium specimen collected from Ulverston [Richley 145"38'E, J.H.Hems/ey6;60, 21.iv.l967 (HO); Eddystone Point, 268) in the State's north. The collection details of the 40‘’59'S 148'*21'E, 4.C/?ozefe/ds 445,21.1.1997 (HO); Round Hill specimen form Louisa Island are in doubt and require point near Jeanneret Beach, 41 "14'S 148"17'E, M.F.Duretto2070 confirmation. et al., 4.1.2006 (HO, MEL); Bicheno, The Gulch, 4r52'S 148“18'E, Phenology: Flowering material has been collected A.Moscal6227,12.ii.l984 (HO); Friendly Point, 42“3'S 148‘’18'E, all year but mainly from February to September; A.M-Buchanan 7161, 9.ix.l985 (HO); Sleepy Bay, Freycinet fruiting material has been collected from November to N.P., 42“08'S 148“20'E, RE.Davies 1256 etai, 25.i.l989 (CANB, HO, MEL); Moreys Bay hut, Schouten Island, 42°18'S 148®16'E, January. M.F.Duretto 1501, 28.ii.2002 (HO); Grindstone Beach, S end, Notes: Correa alba var. alba may intergrade with 42"26'S 147“59'E, AM.Gray 1745, 13.xi.2006 (AD, HO, MEL). C alba var. ponnosa between Port Phillip Bay and Distribution: Correa alba var. alba ranges from the around Cape Otway (Victoria) (see Duretto 1999; and North Coast of New South Wales, through eastern Notes under var. pannosa). Specimens of var. alba Victoria to Port Phillip Bay. In Tasmania it is found on from Freycinet Peninsula and surrounding islands the islands of eastern Bass Strait, and on the Tasmanian sometimes have a large number of stalked hairs over¬ mainland, and some off shore islands, in the north topping a layer of sessile hairs (e.g. Davies 1256) and and south on the East Coast to just north of Triabunna approach var. rotundifolia in appearance but do not (Fig- 2). appear to be part of a dine. A specimen of var. alba purportedly from Louisa Co/iservaf/on Status: The variety is widespread, Island [G.White, HO 29699] off the southern end of found in several reserves in each of the States it is Tasmania, is far removed from other collections of found in, and so, appears to be secure. this variety. The only other collections of C. alba from 2, Correa alba var. pannosa Paul G.Wilson, .* Trans. Roy. Soc. South Australia 85:40 (1961) • Fig.lE-H. Correa rotundifolia Lindl. inT.LMitchell, Three Exped. Australia 2:217 (1838); C alba var. rotundifolia (Lindl.) Benth., FI. Austral. 1:354 (1863), nom illeg. non DC. (1824). Type: VICTORIA. Near mouth of Gleneig River, IS.viii.1836,11. M/tc/ie//287 (holotype: CGE [fide Wilson 1961,1998]; isotype: MEL 516687). Shrub to 1 m high; indumentum of stems and leaves densely stellate tomentose (Fig. 1E-H), white to red-brown, uneven and floccose in appearance, often eventually deciduous leaving stalks; stellate hairs usually stalked, stalks to 2 mm long and often with clustered rays emerging along the length below the terminal tuft, all rays (0.25-)0.5-0.75{-1.0) mm long. Leaves with petioles 2-4.5 mm long; lamina 5.5- 15.5(-20 Cape Otway area) mm long, 4.5-13 mm wide, indumentum often with two hair sizes, larger hairs with Figure 2. Distribution of Correa alba var. alba in Tasmania, usually red-brown rays to 0.75 (-1.0) mm long, smaller based on herbarium specimens. Muelleria 49 Choi & Duretto hairs with usually white rays to 0.5 mm long. Peduncles 3. Correa alba var. rotundifolia DC., Prod. 1: to 3.5 mm long; pedicels 0.5-2 mm long. Calyx 2.5-3.5 719(1824) mm long. Petals 7-10 mm long. Mazeutoxeron rufum Labill., Voy. Rech. Perouse 2: 12 Selected specimens seen (of 23): SOUTH AUSTRALIA. (1800), Atlas 1.17 (1800); Correa rufa (Labill.) Vent., Jard. Between Kingston and Salt Creek, 139“5VE, Hj.Eichler Malm. 1: sub. 1.13 (1803). Type citation: cap meridional 17785, 15.ix.1963 (CANB); between Parsons and Waitpinga [South Cape], Tas., Feb. 1793, IJ.H. de Labillardiere. beaches (11 km SW of Victor Harbor), Fleurieu Peninsula, Type: NEW HOLLAND. JJ.H. de Labillardiere 35“33'S 138°37'E, R.Schodde 616, 27.i.1958 (AD, CANB, (lectotype here designated; FI [ex Herb. Labillardiere, HO); Newland Head, 35“39'S 138“31'E, DJ.E.Whibley 10166, Herb.Webbianum 32375], images CANB, HO). (Fig. 3) 28.V.1986 (CANB, HO); Gleneig River, between Dry Creek and Shrub to 3 m high, to 4 m wide; indumentum of Donovan's Landing, D.N.Kraehenbuehl 954, 8.X.1963 (MEL). stems and leaves stellate tomentose (Fig. ll-L), rough VICTORIA. Lower Gleneig NP, cliff top walk W of end of North and uneven in appearance, most hairs red-brown, Nelson Road, 37"59'S 14n'E, M.F.Duretto 1520, l.x.2002 stellate hairs mostly stalked, stalks 0.1-0.5(-0.75) mm (HO, MEL); along a scenic drive at Cape Nelson, J.CAnway and without rays along length, rays 0.2-0.5(-0.75) mm 447, 24.xi.1965 (MEL); Bats Ridge, c. 12 km W of Portland, long. Leaves with petioles 3-8 mm long; lamina 5-28 J.H.Seebeck, 1 S.v.l 972 (MEL); Above Shelly Beach, Bridgewater mm long, 2.5-27 mm wide. Peduncle 1-9 mm; pedicel Bay, 38‘‘22'S 14r25'E, Kl.Wilson 1169 & LJohnson, 18.ii.l975 0.75-3 mm. Calyx 3-6 mm long. Petals 8-14 mm long. (MEL, NSW). Distribution: C. alba var. pannosa is patchily Selected specimens (c. 55 specimens examined): distributed from Kangaroo Island and Southern Lofty TASMANIA. Cape Frederick Hendrick, Forestier Peninsula, Region (South Australia), along the coast to the Cape 42°52'S 147°58'E, P.Collier 2577, 23.viii.1987 (HO); Dunalley Otway area (Victoria).The presence on Kangaroo Island Beach, N end, 42‘'54'S 147M8'E, B.Choi 10-16 & M.F.Duretto, (see Anonymous 2001) requires confirmation. 12.viii.2006 (BKClO, 15 & 16 - HO; BKCll - HO, KHUS; Phenology: Flowering material has been collected BKC12 - HO, NSW; BKC13 - HO, MEL; BKC14 - HO, K); Below from January to October while fruiting material has Tessellated Pavement,43‘’00'S ]47°55'B,M.Wapstra, 19.ix.2006 (HO, MEL); Droughty Point, 42“56'E 147''25'E, A.M.Buchanan been collected from July to October. 3243, 8.iv.l984 (HO); Pirates Bay, Tasman Peninsula, 43“2'S Notes: Specimens from Port Campbell to Apollo Bay 147®56'E, B.Choi 17-19 & M.F.Duretto, 12.viii,2006 (BKC17 have larger leaves and sepals than plants in western - HO, PRE; BKC18 - CHR, HO; BKC19 - HO, NE); Lime Bay Victoria and South Australia. They also have smaller Nature Reserve, 42“59'S 147°40'E, P.Collier 1520, 8.viii.l986 hairs and leaves that are more obovate (verses mostly (HO); NW of Pedition Ponds, Cape Pillar, 43“13'S My^SS'E, oblanceolate). These specimens have been treated as AM.Buchanan 3294, 15.iv.l984 (HO); Tasman Island, 43'’14'S intermediates between var. alba and var. pannosa (e.g. 148'’0'E, R.P.Minchin,^.\v.}993 (HO);Opossum Bay,South Arm, past determinations) and superficially are similar to 42“59'S 147"24'E, A.M.Olsen, 14.iii.l957 (HO); Calverts Beach, var. rotundifolia. With typical var. pannosa they share E end, 43®1'S 147“29'E, B.Choi 1~3 & M.F.Duretto, 11.viii.2006 the large hairs with rays along the length of the stalk (BKCl - HO, MEL; BKC2 - AD, HO; BKC3 - HO, NSW); Lookout and are treated here as part of that variety. In addition near Goat Bluff, near W end of Calverts Beach, 43® VS 147®28'E, B.Choi 4-9 & M.F.Duretto, ll.viii.2006 (BKC4 - H, HO; BKC5, to the forms outlined above, C alba var. pannosa and 6 & 8 - HO; BKC7 - HO, MEL; BKC9 - AD, HO); Betsey Island, var. alba appear to intergrade between Port Phillip Bay 43®3'S 147®29'E, K.Horr/s, 15x1983 (HO); White Beach,Tasman and the Cape Otway area (see Duretto 1999). Further Peninsula, 43®7'S 147®43'E, B.Choi 20-24 & M.F.Duretto, detailed field and laboratory studies are required to 12.viii.2006 (BKC20 - DNA, HO; BKC21 - HO; BKC22 - HO, determine if these plants are indeed intermediates or KHUS, KRA; BKC23 - HO, MO; BKC24 - CANB, HO); Wedge warrant taxonomic recognition. Island, 43“8'S 147®40'E, F.Duncan, 6.viii.1986 (HO); North Bruny Conservation Status: Correa alba var. pannosa is Island, The Neck, far NE end, at Mars Bluff, 43®14'S 147'’24'E, considered to be rare both in Victoria (Ross & Walsh J.D.Briggs 1499,22.iv.l 984 (CANB, HO, MEL); Grass Point, South 2003; Walsh & Stajsic 2007) and South Australia Bruny Island, 43®21 'S 147®21 'E, A.M.Buchanan 8375,30.iii.l 986 (Anonymous 2001). (HO); Southerly Bight, Labillardiere Peninsula, South Bruny Island, 43®25'S 147®5'E, A.M.Buchanan 4218, S.xi.l 984 (HO). 50 Vol 26(2) 2008 Correa Alba Figure 3. Lectotype of Mazeutoxeron rufum Labill. (FI) = Correa alba var. rotundifolia DC. Muelleria 51 Choi & Duretto Typification: The specimen of Mazeutoxeron rufum Labillardiere did travel and collect on Bruny Island. It illustrated by Labillardiere (1800, plate 17) is difficult to is conceivable that he collected C alba from the island determine on leaf characters alone but the flowers do and his collections got confused on the long journey have unfused petals that reflex back which agrees with home. Nelson (1974) has given several examples of Labillardiere's description "Quatre petals sont attaches where Labillardiere has obviously attached the wrong au fond du calice'as noted by Wilson (1998). As C alba collection information to a specimen with some is the only species in the genus with these features the species attributed to Tasmania which do not occur in taxon can quite confidently be identified as C alba, that State, In addition, South Cape and the southern Wilson (1998) indicated that the type material of M. half of Bruny Island are not far apart and share similar rufum appeared to be largely vegetative and appears floras, both being in the South-West floristic region. It to be a mixture of both C alba and C bockhouseana is not inconceivable that C. alba var. rotundifolia did, or Hook. Colour photographs of the material at the does, occur at South Cape. University Herbarium in Florence (FI) have been Distribution: Correa alba var. rotundifolia is endemic studied and there are collections made by Labilliardiere to south-eastern Tasmania where it is found on the of both species. There is one collection of C. alba Tasman and Forestier Peninsulas, the South Arm area amongst these specimens (Fig. 3) and this specimen (east of Hobart) and Bruny Island, and surrounding (Herb.Webbianum 032375) matches the form found in minor islands (Fig. 4). south-eastern Tasmania; this specimen is chosen as the Phenology: Flowering material has been collected lectotype following Art. 9.12 of the International Code from March to December; and fruiting material from of Botanical Nomenclature (McNeill et al. 2006). March and November. Labillardiere (1800) indicated the material of M. Conservation status:The populations of C. alba var. rufum came from South Cape where he camped and rotundifolia seen during this study were often large but collected. Correa alba has not been collected again from fairly localised. More extensive surveys are required to this area though C. bockhouseana is common there. assess the conservation status of the variety. Acknowledgements •V We would like to thank the Director of the National Herbarium of Victoria (MEL) for the loan of material; the Director and staff of the National Herbarium of Australia (CANB) for access to material and associated data; Egildo Luccioli and staff at Herbarium Universitatis Florentinae (FI, Italy) for locating and photographing specimens of Correa housed at FI; Jenny Tonkin, while acting as ABLO, for looking for material at K and BM; librarians at MEL, the State Library ofTasmania, the State Library of Victoria, the Morris Miller Library [University of Tasmania] and the Royal Society of Tasmania for access to their rare book collections; Lyn Cave, Alan Gray, Annie Wapstra, Hans Wapstra and Mark Wapstra for collecting material; two anonymous reviewers, Prof. Suk-Pyo Hong and Eun-Hee Jung of Laboratory of Plant Systematics and Herbarium (KHUS, South Korea) and Hye-Kyoung Moon (K.U. Leuven, Belgium) for comments on the manuscript; Sun-Yu Kim, Min-Jung Figure 4. Distribution of Correa alba var. rotundifolia DC, Kong, and Beom-Cheol An (KHUS), Haneol Lim and JH based on herbarium specimens. Ryu for assistance with SEM; Hee-Seon Roh and Tae- 52 Vot 26(2) 2008 Correa Alba Soo Jang for helping with adjusting SEM photographs. Sydney to the Gulf of Carpentaria. Longman, Brown, Green and Longmans: London. BKC would also like to thank Jeong-Eun Lee, Henry McNeill, J., Barrie, F.R., Burdet, H.M., Demoulin, V., Hawksworth, Yeoh, Kevin Kao for assistance with field work on the DL, Marhold, K., Nicolson, D.H., Prado, J., Silva, P.C., Skog, J.E., East Coast of Tasmania (2006). Wiersema, J.H.andTurland, N J. (2006)./nfemaf/ono/Code of Botanical Nomenclature (Vienna Code). Regnum Vegetabile References ^ 46. A.R.G. Gantner Verlag KG: Liechtenstein. Nelson, EC. (1974).The locations of collection and collectors of Anderson, R. (1986).'Correo' in J.P. 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Jardin de la Malmaison. de L'Imprimerie Candolle, A.R de (1824). Prodromus systematis naturalis regni de Crapelet: Paris. vegetabilis. Pars /.Treuttel et Wurtz: Paris. Walsh, N.G. and StaJsic,V. (2007). A Census of the Vascular Plants Duretto, M.F. (1999). ‘Rutaceae', in N.G. Walsh & T.J. Entwisle of Victoria. (8th edn). Royal Botanic Gardens Melbourne: (eds). Flora of Victoria, Dicotyledons Cornaceae toAsteraceae. Melbourne. 4,153-197. Inkata Press: Melbourne. Weston, P.H. and Harden, GJ. (2002). ‘Correa', in G.J. Harden Hewson, H.J. (1988). Plant Indumentum: A Handbook of (ed). Flora of New South Wales 2, 289-292. UNSW Press: Terminology. Australian Fauna and Flora Series No. 9. Bureau Sydney. of Flora and Fauna: Canberra. Wilson, P.G. (1961). A taxonomic revision of the genus Correa Labillardiere, J.J.H. de (1800). Relation du Voyage a la recherche (Rutaceae). Transactions and Proceedings of the Royal Society de la P^rouse 2. 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