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A new Coryphoid palm genus from Madagascar
JOHN DRANSFIELD fls 1 *, MIJORO RAKOTOARINIVO 2 , WILLIAM J. BAKER fls 1 , ROSS P. BAYTON 1 , JACK B. FISHER fls 3 , JAMES W. HORN 3 , BRUNO LEROY 4 and XAVIER METZ 5
  1 Herbarium, Royal Botanic Gardens Kew, Richmond, Surrey TW9 3AE, UK
  2 Kew House, Lot 11 J 131 B, Ambodivoanjo, Ivandry, Antananarivo, Madagascar
  3 Fairchild Tropical Botanic Garden, 11935 Old Cutler Road, Coral Gables, Miami, FL 33156, USA
  4 c/o Mme Helimino, Société Fraise, BP 28 Antananarivo, Madagascar
  5 VERAMA Cashew Estate/Groupe UNIMA, BP93-401 Mahajanga, Madagascar
Correspondence to   *E-mail: j.dransfield@kew.org
Copyright © 2008 The Linnean Society of London
KEYWORDS
Arecaceae • matK • palm • palmate • rbcL • rps16 intron • trnL-trnF

ABSTRACT

Tahina J.Dransf. & Rakotoarinivo, gen. nov. (Arecaceae) is described as a new genus from north-western Madagascar, with a single species T. spectabilis J.Dransf. & Rakotoarinivo, sp. nov.Tahina is included within tribe Chuniophoeniceae of subfamily Coryphoideae, based on the strictly tubular imbricate rachilla bracts, the flowers grouped in cincinni with tubular bracteoles, and the stalk-like base to the corolla. This position is corroborated by evidence from plastid DNA. Lamina anatomy is discussed in detail, and similarities with and differences from the other members of Chuniophoeniceae are discussed. Based on the ecological characteristics of the single locality, predictions are made on where else it may occur in Madagascar.  © 2008 The Linnean Society of London, Botanical Journal of the Linnean Society, 2008, 156, 79–91.


Received 31 August 2007; accepted for publication 5 September 2007

DIGITAL OBJECT IDENTIFIER (DOI)
10.1111/j.1095-8339.2007.00742.x About DOI

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