Alluaudia ascendens
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Alluaudia ascendens |
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| ( Drake ) Drake |
Alluaudia ascendens is a species of the genus Alluaudia in the Didiereaceae family. The specific epithet ascendens (French: ascendant) means 'ascending'.
description
Alluaudia ascendens grows as a columnar, 10 to 15 meter high tree with upright shoots that branch out at the end. The bark is dull greenish brown in color. The almost white thorns are mostly dense and 1 to 3 centimeters long. The short-stalked, obovate to heart-shaped leaves are edged and 10 to 20 millimeters long and up to 11 millimeters wide.
The white to dull reddish flowers appear in branched zymous and up to 12 centimeters long inflorescences .
The number of chromosomes is 2n = about 240 or about 256.
Distribution and systematics
Alluaudia ascendens is common in the south of Madagascar in the area between Tsiombe and Taolanaro .
The first description of Alluaudia ascending done as Didierea ascending in 1901 by Emmanuel Drake del Castillo . In 1903 the same author placed the species in the genus Alluaudia, which he newly established .
literature
- DG Rowley : Alluaudia . In: Urs Eggli (Ed.): Succulents Lexicon Volume 2 Dicotyledonous plants (dicotyledons). Ulmer, Stuttgart 2002, ISBN 3-8001-3915-4 , p. 99.
Individual evidence
- ^ Alluaudia ascendens at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ↑ In: Comptes Rendus hebdomadaires des Séances de l'Academie des Sciences . Volume 133, Paris 1901, p. 241 (online) .
- ↑ In: Bulletin du Muséum d'Histoire Naturelle . Volume 9, Paris 1903, p. 37 (online) .
