Ammocharis
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Ammocharis tinneana , Serengeti |
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| Ammocharis | ||||||||||||
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Ammocharis is a plant kind from the family of the Amaryllis (Amaryllidaceae). The only seven species are widespread in Africa.
description
Vegetative characteristics
Ammocharis grow as perennial herbaceous plants . As persistence organs, they form relatively large bulbs . The leaves, which are often arranged in two rows and slightly fan-shaped, are sickle-shaped and blunt at the top. They are persistent, but sometimes dry back during periods of drought. A midrib is missing.
Generative characteristics
The inflorescences are multi-flowered and have two non-grown bracts . The long-stalked flowers are hermaphroditic and threefold. The corolla tube is long and narrow and longer to slightly shorter than the linear, spread out and bent back petal sections. The six stamens are free. The stamens are thread-like. The scars are undivided. The draft tube ovary has each subject four to thirty ovules on.
The roughly round to bluntly beaked, fleshy capsule fruit and opens irregularly. The seeds are fleshy, roughly round, and light green.
The number of chromosomes is 2n = 22.
Systematics and distribution
The genus Ammocharis was established in 1821 by William Herbert . The type species is the Ammocharis longifolia - originally described by Carl von Linné as the Amaryllis species . The generic name Ammocharis means something like "sand grace" (Greek ἄμμος ámmos for "sand", χάρις cháris for "grace, joy"). Synonyms of Ammocharis Herb. are: Cybisternes Milne-Redh. & Schweick. , Palinetes salisb. , Stenolirion Baker .
The genus Ammocharis belongs to the subtribe Crininae from the tribe Amaryllideae in the subfamily Amaryllidoideae within the family of Amaryllidaceae . It is closely related to the two genera hooked lilies ( Crinum ) as well as to Cybistes . It used to be part of the Liliaceae family.
The genus Ammocharis is widespread in sub- Saharan Africa. Their distribution area extends in the north from Sudan and Ethiopia to South Africa in the south.
The genus Ammocharis includes about seven species:
- Ammocharis angolensis (Baker) Milne-Redh. & Schweick. : It is common from Uganda to Angola .
- Ammocharis baumii (Harms) Milne-Redh. & Schweick. : It is distributed from southern tropical Africa to Namibia .
- Ammocharis coranica (Ker Gawl.) Herb. : It is widespread in tropical and southern Africa.
- Ammocharis deserticola Snijman & Kolberg : It was first described in 2011 from northwestern Namibia.
- Ammocharis longifolia (L.) Herb. : It is distributed from southwestern Namibia to western and southwestern South Africa.
- Ammocharis nerinoides (Baker) Lehmiller : It occurs in Namibia.
- Ammocharis tinneana (Kotschy & Peyr.) Milne-Redh. & Schweick. : It iswidespreadfrom southern Sudan to Namibia.
proof
- ↑ a b c d Inger Nordal: Amaryllidaceae. In: Flora of Somalia , Volume 4, 2001, Online ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice.
- ↑ a b c d e f g h Alan W. Meerow, Deirdré Anne Snijman: Amaryllidaceae. In: Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants - Volume III - Flowering Plants - Monocotyledons: Lilianae (except Orchidaceae) , 1998, p. 97, ISBN 3-540-64060-6
- ↑ Ammocharis longifolia at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed October 15, 2014.
- ↑ Helmut Genaust: Etymological dictionary of botanical plant names. 3rd, completely revised and expanded edition. Birkhäuser, Basel / Boston / Berlin 1996, ISBN 3-7643-2390-6 (reprint ISBN 3-937872-16-7 ).
- ↑ a b Rafaël Govaerts (Ed.): Data sheet at World Checklist of Selected Plant Families of the Board of Trustees of the Royal Botanic Gardens, Kew. Last accessed on October 14, 2014
- ↑ Ammocharis in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved October 15, 2014.
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