Alluaudia comosa

Alluaudia comosa
Alluaudia comosa
Systematics
Eudicotyledons Nuclear eudicotyledons Order : Clove-like (Caryophyllales) Family : Didiereaceae Genre : Alluaudia Type : Alluaudia comosa
Scientific name
Alluaudia comosa
( Drake ) Drake

Alluaudia comosa is a species of the genus Alluaudia in the family Didiereaceae . The specific epithet comosa means 'tufted, with tuft'.

description

Alluaudia comosa grows as a densely thorny and branched shrub. The plants reach heights of 2 to 6 meters. The gray and single standing thorns are round at the base and 1.5 to 3.5 centimeters long. The fleshy leaves standing individually or in pairs are obovate to semicircular in shape. They are 10 to 22 millimeters long and 10 millimeters wide and are sometimes provided with a rounded tip.

The white flowers appear in clusters of 5 to 10 individual flowers . The flattened and egg-shaped fruits are 20 to 25 millimeters long and up to 16 millimeters in diameter.

The number of chromosomes is . ${\displaystyle 2n=48}$

Distribution and systematics

Alluaudia comosa is common in the southwest and south of Madagascar , in the area between Toliara and Taolanaro on limestone.

The first description of Alluaudia dumosa done as Didierea comosa 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

1. ↑ Alluaudia comosa at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
2. ↑ In: Comptes Rendus hebdomadaires des Séances de l'Academie des Sciences . Volume 133, Paris 1901, p. 241 (online) .
3. ↑ In: Bulletin du Muséum d'Histoire Naturelle . Volume 9, Paris 1903, p. 37 (online) .

Web links

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