Halopeplis
| Halopeplis | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Halopeplis | ||||||||||||
| Bunge ex Ung.-Sternb. |
Halopeplis is a genus of plants in the foxtail family(Amaranthaceae). They are annual or perennial salt plants with non-articulated stems and thick-fleshed leaves that surround the stalk. They are distributed from the Mediterranean and North Africa across Southwest and Central Asia to China.
description
Vegetative characteristics
The Halopeplis species are annual or perennial herbaceous plants . The branched stems are bare and not articulated. The leaves are alternate, the lowest almost opposite, and are very fleshy, glabrous, almost spherical or egg-shaped, encompassing the stem, with existing or reduced leaf blades.
Inflorescences and flowers
The inflorescences are in the upper part of the plant as lateral and terminal cylindrical false spikes . The spirally arranged cymes each contain three flowers in the axilla of a scaly bract . These are sunk into the inflorescence axis and more or less fused with each other, with the support sheet and the axis. The mostly hermaphrodite flowers have three intergrown, inconspicuous three-lobed tepals . The one or two (rarely three) stamens protrude only slightly from the flower. There are two scars .
Fruits and seeds
The fruit remains enclosed in the inflorescence axis, the pericarp is membranous. The seeds are ovate to rounded, compressed, with a leathery, smooth or papileless seed coat. The semi-circular embryo is hooked or curved. There is abundant nutrient tissue.
Distribution and location
The species of Halopeplis are distributed from the Mediterranean area and North Africa across Southwest and Central Asia to China ( Xinjiang ).
As salt plants , they colonize sea coasts or salty habitats inland, such as salt flats and the shores of salt lakes .
Systematics
The genus Halopeplis was established by Franz Ungern-Sternberg in 1866 . Alexander von Bunge had already used the name Halopeplis in 1857 , but without writing a valid first description . As lectotype was Halopeplis nodulosa set, this is a synonym of Halopeplis amplexicaulis .
The genus includes three types:
- Halopeplis amplexicaulis (Vahl) Ung.-Sternb. ex Ces., pass. & Gibelli , annual, widespread in salt flats and on inland salt lakes, occurs in the southern Mediterranean and North Africa .
- Halopeplis perfoliata (Forssk.) Bunge ex Asch. & Schweinf. , persistent, widespread on coasts, on the Red Sea , Sinai Peninsula , Arabian Peninsula to southwest Pakistan ( Balochistan ).
- Halopeplis pygmaea (Pall.) Bunge ex Ung.-Sternb. , annual, widespread in salt flats and salt lakes inland, in the North Caucasus , on the Caspian Sea , in southern Iraq , Iran , Central Asia to China ( Xinjiang ).
Individual evidence
- ↑ a b c d e f g h i Ian Charleson Hedge: Halopeplis . In: Karl Heinz Rechinger et al. (Ed.): Flora Iranica , Vol. 172, Chenopodiaceae , Akad. Druck, Graz 1997, pp. 123-125. ISBN 3-201-00728-5 .
- ↑ a b c d Gelin Zhu, Sergei L. Mosyakin, Steven E. Clemants: Halopeplis. In: Wu Zhengyi, Peter H. Raven, Deyuan Hong (Eds.): Flora of China . Volume 5: Ulmaceae through Basellaceae . Science Press / Missouri Botanical Garden Press, Beijing / St. Louis 2003, ISBN 1-930723-27-X , pp. 355x (English). , online .
- ↑ a b Mikko Piirainen, 2009: Halopeplis amplexicaulis. In: P. Uotila, (Ed.): Chenopodiaceae. In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
- ^ Franz Ungern-Sternberg: Attempt at a systematics of salicornies , 1866, p. 102.
- ^ Halopeplis at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed July 29, 2016.
- ↑ Gudrun Kadereit, Ladislav Mucina & Helmut Freitag: Phylogeny of Salicornioideae (Chenopodiaceae): diversification, biogeography, and evolutionary trends in leaf and flower morphology , In: Taxon , Volume 55 (3), 2006, page 619.
Web links
Wikispecies: Halopeplis - Species Directory