Coccothrinax

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Coccothrinax
Coccothrinax argentata

Coccothrinax argentata

Systematics
Class : Bedecktsamer (Magnoliopsida)
Monocots
Commelinids
Order : Palm- like arecales
Family : Palm family (Arecaceae)
Genre : Coccothrinax
Scientific name
Coccothrinax
Coffin.

Coccothrinax is a genus of palm trees nativeto the Caribbean .

features

The representatives are small to medium-sized, single or multi-stemmed, hermaphrodite fan palms . The trunk is slender and initially covered with the fibrous leaf sheaths, later by a fibrous network or with long slender fibers or spines. The leaves are fan-shaped, ascending to protruding and folded induplicate (V-shaped).

The inflorescence is shorter than the leaves, slender and twofold branched. The peduncle is short and slender, on it are a bract and several bracts . The flowers are single. The perianth is uniform and six-toothed. The gynoeceum consists of a carpel with a single ovule . There are usually 9 (rarely 6 to 13) stamens .

The fruit is brown, pink, red or black, rarely white. The exocarp is smooth or rough, the mesocarp is thin or somewhat fleshy with fibers inside. The endocarp is membranous. The seed is deeply furrowed, but not bilobed.

The number of chromosomes is 2n = 36.

Distribution and locations

Coccothrinax occurs from Florida south to Colombia. The main focus of distribution is on the West Indies . It reaches the highest diversity in Cuba with about 37 species. The genus is mainly found in open, dry locations, usually on limestone , serpentine or sandstone .

Coccothrinax argentea
Coccothrinax miraguama
Coccothrinax readii
Coccothrinax salvatoris

Systematics

The genus Coccothrinax coffin. is placed within the family Arecaceae in the subfamily Coryphoideae , Tribe Cryosophileae . The genus name Coccothrinax was not explained by the first author, but is likely to be derived from coccus = berry and the genus name Thrinax .

The genus is monophyletic .

The Royal Botanic Gardens, Kew's World Checklist of Selected Plant Families recognizes the following species:

supporting documents

  • John Dransfield, Natalie W. Uhl, Conny B. Asmussen, William J. Baker, Madeline M. Harley, Carl E. Lewis: Genera Palmarum. The Evolution and Classification of Palms . Second edition, Royal Botanic Gardens, Kew 2008, ISBN 978-1-84246-182-2 , pp. 226ff.

Individual evidence

  1. Julissa Roncal, Scott Zona, Carl E. Lewis: Molecular Phylogenetic Studies of Caribbean Palms (Arecaceae) and Their Relationships to Biogeography and Conservation . Botanical Review, Volume 74, 2008, pp. 78-102. doi : 10.1007 / s12229-008-9005-9
  2. a b Rafaël Govaerts (ed.): Coccothrinax. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved August 2, 2018.

Web links

Commons : Coccothrinax  - collection of images, videos and audio files
  • Coccothrinax on the Fairchild Tropical Botanic Garden website