Satranala decussilvae
| Satranala decussilvae | ||||||||||||
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| Systematics | ||||||||||||
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| Scientific name of the genus | ||||||||||||
| Satranala | ||||||||||||
| J.Dransf. & Beentje | ||||||||||||
| Scientific name of the species | ||||||||||||
| Satranala decussilvae | ||||||||||||
| Beentje & J.Dransf. |
Satranala decussilvae is a species of palm endemic to Madagascar . It is the only species in the genus Satranala .
features
Satranala decussilvae is a moderately large, single-stemmed, tree-shaped fan palm . It is dioecious, separate sexes ( diocesan ) and flourishes several times. The trunk is erect and slightly swollen at the base. The leaves are costapalmat and induplicate. After they die, they fall off with a smooth scar.
The round fruit has a winged and sculptured stone core , which is then smooth inside and divides into two flaps during germination. The endosperm is furrowed (ruminate).
Satranala differs from the closely related genera by the following combination of features: The seed is not furrowed. The endocarp is heavily sculpted and has no circular terminal pore.
The number of chromosomes is unknown.
Distribution and locations
The species is endemic to Madagascar . It is limited to the Masoala Peninsula and the Mananara Avaratra Biosphere Reserve in the east of the island, where it occurs in rainforests on shallow soils over ultra-basic rock , or in steep valleys with many screw trees and palm trees. The palm grows at altitudes of 250 to 300 m. All populations are poor in individuals.
Systematics
The genus Satranala is placed within the family Arecaceae in the subfamily Coryphoideae , Tribus Borasseae and Subtribus Hyphaeninae. The genus is monotypical, it consists of the only species Satranala decussilvae . Her sister group is Bismarckia .
In the World Checklist of Selected Plant Families of the Royal Botanic Gardens, Kew, only the species Satranala decussilvae is recognized.
The name Satranala is derived from the Malagasy common name satranala, which means something like forest fan palm. Species and genus were first described in 1995.
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. 312ff.
Individual evidence
- ↑ Rafaël Govaerts (ed.): Satranala. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved January 29, 2011.
Web links
- Satranala on the homepage of the Fairchild Tropical Botanic Garden
- Satranala decussilvae inthe IUCN 2013 Red List of Threatened Species . Posted by: Rakotoarinivo, M. & Dransfield, J., 2010. Retrieved October 13, 2013.