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Coccothrinax : ウィキペディア英語版 | Coccothrinax
''Coccothrinax'' is a genus of palms in the Arecaceae family. There are more than 50 species described in the genus, plus many synonyms and sub-species. A new species (''Coccothrinax torrida'') has been described as recently as 2006. Many of the ''Coccothrinax'' have ''silver'' or ''thatch'', or both, in their English common names. In Spanish – speaking countries, ''guano'' is a common name applied to ''Coccothrinax'' species. The species are native throughout the Caribbean, the Bahamas, extreme southern Florida and southeastern Mexico, but most of the species are known only from Cuba.〔(Fairchild Tropical Botanic Garden – ''Coccothrinax'' ) – URL retrieved June 24, 2006〕〔Morici, Carlo. 2002. ''Coccothrinax boschiana''. ''Palms'' 41:1. () – URL retrieved June 24, 2006〕〔(ePalmetum: Species in the genus Coccothrinax ) – URL retrieved June 24, 2006〕 ==Description==
''Coccothrinax'' is a genus of small to medium-sized, fan palms with relatively slender stems and 8 to 22 palmate leaves. The stems are initially covered by fibrous leaf sheaths. These break down into a network of fibres or spines, eventually leaving a bare trunk covered with leaf scars.〔 The underside of the leaflets are often silvery-grey;〔 this is reflected by the fact that many common name "silver palm" which is given to many species of ''Coccothrinax''.〔 The base of the petiole is not split longitudinally. The absence of this trait is a distinguishing character which separates ''Coccothrinax'' from ''Thrinax''.〔 ''Coccothrinax'' species bear branched inflorescences which are located among the leaves. The bisexual flowers, which are borne on short stalks, have between 6 and 13 stamens and a single carpel. The fruit are small, single-seeded, and range in colour from purple-red to purple-black, to brown. The seeds are deeply grooved "and resemble a brain".〔
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