Satranala

Satranala decussilvae is an endemic to Madagascar palm. It is the only species of the genus Satranala.

Features

Satranala decussilvae is a moderately large, single -stemmed, tree-shaped fan palm. It is dioecious getrenntgeschlechtig ( dioecious ) and repeatedly flowering. The stem is erect and somewhat swollen at the base. The leaves are costapalmat and induplicat. They fall after the death from having a smooth scar.

The roundish fruit has a winged and sculptured stone core in then smooth and shares in germination in two flaps. The endosperm is furrowed ( ruminat ).

From the closely related genera to Satranala distinguished by the following combination of characters: The seed is not furrowed. The endocarp is strongly sculptured and has no circular terminal pore.

The chromosome number is unknown.

Dissemination 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 grows in rain forests on shallow soils over ultrabasischem rock, or in steep valleys with many screws and palm trees. The palm grows at altitudes of 250 to 300 m. All populations are individuenarm.

System

The genus Satranala is placed in the subfamily Coryphoideae, Tribe and subtribe Borasseae Hyphaeninae within the family Arecaceae. The genus is monotypic, it consists of a single type Satranala decussilvae. Their sister group is Bismarckia.

In the World Checklist of Selected Plant Families of the Royal Botanic Gardens, Kew, just the way Satranala decussilvae is recognized.

The name is derived from the Malagasy Satranala trivial names satranala, which means something like forest fan palm. Species and genus were first described in 1995.

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.