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Adansonia 28(2).Indb Nomenclature and typifi cation in Geissois (Cunoniaceae) in the South-West Pacifi c Helen C. Fortune HOPKINS Masons Arms, Hutton Roof, Carnforth, Lancashire, LA6 2PE (United Kingdom) and Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AB (United Kingdom) [email protected] Hopkins H. C. F. 2006. — Nomenclature and typifi cation in Geissois (Cunoniaceae) in the South-West Pacifi c. Adansonia, sér. 3, 28 (2) : 311-327. ABSTRACT Th e taxonomic history of Geissois Labill. is described. All names validly published KEY WORDS in Geissois in New Caledonia, Vanuatu and the Solomon Islands are discussed and Cunoniaceae, Geissois, lectotypifi ed where necessary, with names from Fiji mentioned briefl y; invalid New Caledonia, names are listed separately. Th e names G. lanceolata (Guillaumin) H.C.Hopkins, Vanuatu, comb. et stat. nov. and G. velutina Guillaumin ex H.C.Hopkins, sp. nov. from Solomon Islands, Fiji, New Caledonia are published. An index accounts for all names eff ectively pub- new species. lished in, or referable to, Geissois s.l. including those from Australia. RÉSUMÉ Nomenclature et typifi cation dans le genre Geissois (Cunoniaceae) dans le Paci- fi que sud-ouest. L’histoire taxonomique de Geissois Labill. est récapitulée. Tous les noms vala- blement publiés sous Geissois en Nouvelle-Calédonie, Vanuatu et les Îles Salo- MOTS CLÉS mon sont discutés et au besoin lectotypifi és, les noms de Fidji sont brièvement Cunoniaceae, discutés ; les noms non valablement publiés sont classés séparément. Les noms Geissois, Nouvelle-Calédonie, G. lanceolata (Guillaumin) H.C.Hopkins, comb. et stat. nov. et G. velutina Vanuatu, Guillaumin ex H.C.Hopkins, sp. nov. sont publiés pour la Nouvelle-Calédonie. Îles Salomon, Fidji, Un index tient compte de tous les noms publiés eff ectivement dans, ou qui se espèce nouvelle. réfèrent à, Geissois s.l. y compris ceux d’Australie. ADANSONIA, sér. 3 • 2006 • 28 (2) © Publications Scientifi ques du Muséum national d’Histoire naturelle, Paris. www.adansonia.com 311 Hopkins H. C. F. INTRODUCTION [APNI], http://www.anbg.gov.au/apni, consulted 10 August 2005), with full details for G. bentha- Geissois s.s., from the south-west Pacifi c, has 4- miana and G. biagiana discussed by Schimanski & merous, apetalous, red fl owers in ornithophilous, Rozefelds (2002), they are not included except for bottle-brush infl orescences and comprises about brief details in the index. 19 species, with 13 in New Caledonia, four in Fiji (Smith 1952, 1985), one in Vanuatu (Hoogland unpublished notes at P) and one in the Santa TAXONOMIC HISTORY OF GEISSOIS Cruz Group of the Solomon Islands. Two spe- cies from Australia with 5-6-merous, apetalous, Plants belonging to the genus Geissois were fi rst col- cream fl owers, G. benthamiana and G. biagiana, lected and described by Jacques-Julien Houtou de are currently included in Geissois s.l. (Bradford et Labillardière, one of the naturalists on the voyage to al. 2004), although they diff er in numerous small Australia and the south-west Pacifi c led by Antoine morphological characters (Schimanski & Rozefelds Raymond Joseph de Bruni d’Entrecasteaux from 2002); their relationship with Geissois s.s. will be 1791 to 1793. D’Entrecasteaux went in search of discussed elsewhere. Jean-François de Galaup de La Pérouse, whose ill- Although the nomenclature of Geissois in New fated expedition had disappeared in 1788 (Duyker Caledonia is by no means as muddled as for the & Duyker 2001). D’Entrecasteaux’s expedition endemic genera Codia (Hopkins 2005) and Panche- passed the Isle of Pines and sailed up the west coast ria, several names require lectotypifi cation prior to of New Caledonia in July 1792 but was unable completion of an account for the Flore de la Nouvelle- to penetrate the barrier reef (Duyker & Duyker Calédonie, and in addition, one requires valid publica- 2001). However, they returned to New Caledonia tion and one new combination is needed. A further in 1793, spending 18 days at Balade in the north- new species will be published elsewhere (Hopkins east, from 18 April to 9 May, during which time in press). Ruurd Dirk Hoogland started a revision Labillardière must have collected his material of of Geissois in the Pacifi c in the 1980s and his un- G. racemosa (Fig. 1). Johann Reinhold Forster and published notes and card index at Paris (P) were his son Johann Georg Adam Forster had already used in the initial stages of my work. Lectotypes collected the type of another Cunoniaceae, Codia for four names (G. balansae, G. hippocastanifolia, montana J.R.Forst. & G.Forst., from Balade when G. hirsuta and G. polyphylla) that he had chosen James Cook’s second expedition stopped there in and labelled at P are published here. 1774 (Nicolson & Fosberg 2004). Th e fi rst part of this paper gives an account of Labillardière published the protologue of Geissois the taxonomic history of Geissois. Th e next section racemosa in his account of the fl ora of New Cal- lists all validly published names in Geissois s.s. in edonia (1824-1825). Th e fi rst set of collections on alphabetical order by geographical region (New which this work was based was acquired, via the Caledonia, Vanuatu and Solomon Islands, Fiji), René-Louiche Desfontaines herbarium, by Philip with invalid names from New Caledonia given Barker Webb, who also acquired Labillardière’s own at the end of that section. As in the case of Codia herbarium, sold after the latter’s death to pay death (Hopkins 2005) information from the protologue duties (Stafl eu & Cowan 1979; Duyker 2003). about the type(s) for each name is given in quota- Webb bequeathed his herbarium to an Italian tion marks and a lectotype designated where ap- museum and it is now at Florence (FI), with some propriate. Th e fi nal part is an index to all names duplicates elsewhere. Other Cunoniaceae collected published in, or referable to, Geissois, indicating in New Caledonia by Labillardière included Codia their status and synonymy, and a list of accepted montana, the type of Callicoma billardierei D.Don, species by region. Since information on Australian now Pancheria billardierei (D.Don) Pamp., and the names in Geissois was given by Chapman (1991; and types of three other species and varieties of Pancheria see website of the Australian Plant Names Index described by Renato Pampanini (1905). 312 ADANSONIA, sér. 3 • 2006 • 28 (2) Nomenclature of Geissois (Cunoniaceae) in the Pacifi c FIG. 1. — Geissois racemosa Labill. Drawing by Turpin, reproduced from Labillardière (1824-1825). ADANSONIA, sér. 3 • 2006 • 28 (2) 313 Hopkins H. C. F. Also on d’Entrecasteaux’s expedition were Félix min 1911b, 1937, 1964). He validly published the Delahaye (or de Lahaie), a gardener from the names of six taxa (G. balansae, G. hippocastanifolia, Jardin du Roi in Paris, who collected live plants, G. montana var. pubescens, G. pruinosa var. lanceo- seeds and plant specimens, and the naturalist lata, G. polyphylla, G. trifoliolata), with G. velutina Abbé Louis Ventenat (Duyker & Duyker 2001). invalidly published. In his synoptic fl ora and key Delahaye’s specimens, which are preserved at P, (Guillaumin 1941, 1948) he recognised a total of included both Geissois racemosa and G. montana, 10 species for New Caledonia. and Ventenat collected material of Codia montana. Th e fi rst of the Fijian taxa, Geissois ternata, was Th e latter’s specimens are now at Geneva (G), hav- described by Asa Gray in 1854 from a collection ing been part of Herb. Delessert. Both Ventenat made by the U.S. Exploring Expedition (1838- and Labillardière also collected Cunonia capensis 1842) under the command of Charles Wilkes. Gray L. from South Africa during this expedition (see himself was originally to have been the expedition’s Pampanini 1905). botanist, but following delays, he accepted a posi- Th e next collections of Geissois from New Cal- tion at the University of Michigan and so William edonia that I have seen were made some 50 years Rich took the position (http://www.huh.harvard. later. A specimen of G. racemosa at P is labelled edu/ libraries/expinv/WILKES.html, consulted 22 “Védel, 1847, Voyage de Bérard” from New Zea- September 2005). A recent account of the expe- land (sic). Védel was an offi cer on the corvette Le dition was published by Philbrick (2003). Other Rhin which reached Balade on 27 September 1845 early collections from Fiji were listed by Berthold under the command of Auguste Bérard, and left Carl Seemann (1865-1873). Th ree more species provisions for the missionaries there (Vieillard & of Geissois from Fiji, with subspecifi c taxa in one, Deplanche 1863). In 1850, Charles Moore col- were added during the 20th century (G. imthurnii, lected material as stove house plants which John G. stipularis, G. superba) and revisions published by Lindley referred to as G. racemosa, but they actually Albert Charles Smith in 1952 and 1985. belong to G. magnifi ca (q.v. for details). Th e same Both species now included in Geissois s.l. in Aus- species was also collected by Xavier Montrouzier, tralia were described by Ferdinand Jacob Heinrich probably at about this time, although the sheet at von Mueller in 1865 in his Fragmenta phytographiae P lacks a date or locality. Australiae, published in several volumes between Th e taxonomic history of the remaining species 1858 and 1882. Th ese species have also been given in New Caledonia follows a pattern similar to that names in Weinmannia and Windmannia. In addi- for other Cunoniaceae from the island. Adolphe tion, species from Australia that are now placed in Th éodore Brongniart & Jean Antoine Arthur Gris Pseudoweinmannia and Vesselowskya have combina- (1862) described several new taxa (G.
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