Aizoon
Aizoon | ||||||||||||
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Scientific name | ||||||||||||
Aizoon | ||||||||||||
L. |
Aizoon is a genus of plants fromthe midday flower family (Aizoaceae).
description
The species of the genus Aizoon grow as annual to perennial shrubs with prostrate to upright branches. Their internodes are hairy. The leaf blade of the opposite or alternate leaves is linear and round to spatulate or oval. It is covered with papillae and distinctive long white hair .
The flowers are in more or less floriferous cymes . Their perigone is hairy on the outside and yellow on the inside, rarely pink or white. There are numerous stamens that stand together in groups or form a ring. The stamens are thread-like. The five-compartment capsule fruits open only a little in the middle of the capsule. The fruits contain concentrically ribbed seeds .
Systematics and distribution
The disjoint distribution area of the genus Aizoon extends on the one hand in southern Africa from Angola to Zimbabwe . On the other hand, it extends in North Africa from the Canary Islands over the North African Mediterranean coast to Socotra and North Kenya and from there further east over the southern Arabian Peninsula to India and in the north to Afghanistan . The plants grow in dry areas, often in sand or fine gravel.
The first description was in 1753 by Carl von Linné in his work Species Plantarum . The genus Aizoon includes the following species:
- Aizoon asbestinum Schltr.
- Aizoon burchellii N.E.Br.
- Aizoon camforosma Rchb. ex explos.
- Aizoon canariense L.
- Aizoon Giessii Friedrich
- Aizoon glinoides L.f.
- Aizoon karooicum Compton
- Aizoon paniculatum L.
- Aizoon rigidum L.f.
- Aizoon sarmentosum L.f.
- Aizoon schellenbergii Adamson
The species of the genus Aizoanthemum , including Aizoanthemum hispanicum (L.) HEKHartmann (syn. Aizoon hispanicum L.) , were separated from the genus .
proof
literature
- Heidrun EK Hartmann (eds.): Illustrated Handbook of Succulent Plants: Aizoaceae AE . Springer, Berlin / Heidelberg / New York 2001, ISBN 3-540-41691-9 , pp. 30 ( limited preview in Google Book search).
Individual evidence
- ^ Carl von Linné: Species Plantarum , 1st edition, Lars Salvius, Stockholm 1753, Volume 1, p. 488, (online) .
- ↑ a b Heidrun EK Hartmann (eds.): Illustrated Handbook of Succulent Plants: Aizoaceae AE . Springer, Berlin / Heidelberg / New York 2001, ISBN 3-540-41691-9 , pp. 30–33 ( limited preview in Google Book search).