Ammandra decasperma
| Ammandra decasperma | ||||||||||||
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| Scientific name of the genus | ||||||||||||
| Ammandra | ||||||||||||
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| Scientific name of the species | ||||||||||||
| Ammandra decasperma | ||||||||||||
| OFCook |
Ammandra decasperma is a species of palm endemic to Colombia . It is the only species in the genus Ammandra . The endosperm of the seeds is provided by vegetable ivory .
features
Ammandra decasperma is a trunkless or short-stemmed, solitary and unreinforced palm. The trunk is very short, as are the internodes , and it is covered by the long, slender leaf-sheath fibers. The leaves are pinnate, the stem is erect, long and slender. The blade is glossy dark green.
Ammandra differs from the closely related genera of the Phytelepheae by the following combination of features: The male flowers have very small, rounded anthers with very short stamens that sit on an angular, polyhedral receptacle .
The number of chromosomes is unknown.
Distribution and locations
The genus is endemic to Colombia . It occurs only in two small sub-areas in the western coastal regions. It grows in the undergrowth of forests in areas with high and year-round rainfall.
Systematics
The genus Ammandra is placed within the family Arecaceae in the subfamily Ceroxyloideae , tribe Phytelepheae . The genus is monotypical , it consists of the only species Ammandra decasperma . Her sister group is Aphandra .
In the World Checklist of Selected Plant Families of the Royal Botanic Gardens, Kew, only the species Ammandra decasperma is recognized.
The name Ammandra is derived from the words ammos = sand and aner = man and refers to the fact that the anthers look like grains of sand.
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. 346ff.
Individual evidence
- ↑ Rafaël Govaerts (ed.): Ammandra. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved January 30, 2011.
Web links
- Ammandra on the homepage of the Fairchild Tropical Botanic Garden