Antarctic Schmiele
| Antarctic Schmiele | ||||||||||||
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Antarctic Schmiele ( Deschampsia antarctica ) together with Antarctic pearlwort ( Colobanthus quitensis ) on the South Shetland Islands |
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| Scientific name | ||||||||||||
| Deschampsia antarctica | ||||||||||||
| É.Desv. |
The Antarctic Schmiele ( Deschampsia antarctica ) is a species of plant within the sweet grass family (Poaceae). In addition to the Antarctic pearlwort ( Colobanthus quitensis ), it is the only native seed plant species in the Antarctic .
description
The Antarctic Schmiele is a perennial plant with a cushion-shaped growth. It reaches heights of between 10 and 30 centimeters. The truncated ligule is 4 to 8 millimeters long. The leaf blades are narrow, rolled and about 2.5 to 3 millimeters wide.
The inflorescence is a loose panicle 5 to 20 centimeters long . The stalked, two- to three-flowered, 5 to 7 millimeter long spikelets stand individually on the hairy panicle branches . The fruit is a 1 to 1.2 millimeter long, dark brown caryopsis .
distribution
The Antarctic Schmiele grows in the extreme south of South America in Argentina and Chile , on the Antarctic as well as on the sub-Antarctic and Antarctic islands: Crozet Islands , Falkland Islands , Heard and McDonald Islands , Kerguelen , South Georgia and southern Sandwich Islands .
Taxonomy
Deschampsia antarctica E. Desv. has the synonyms: Aira antarctica Hook. , Airidium elegantulum Steud. , Deschampsia henrardii Kloos , Deschampsia antarctica var. Brevirostrata Hack. ex Dusén , Deschampsia elegantula (Steud.) Parodi .
swell
- WD Clayton, KT Harman, H. Williamson: World Grass Species: Descriptions, Identification, and Information Retrieval. From 2002. RBG Kew: GrassBase - Deschampsia antarctica Description , accessed July 24, 2007.
- Short article on the Antarctic flora
- Guidelines for Biscoe Point in the Palmer Archipelago
further reading
- Irena Giełwanowska, Ewa Szczuka, Józef Bednara, Ryszard Górecki: Anatomical Features and Ultrastructure of Deschampsia antarctica (Poaceae) Leaves from Different Growing Habitats , In: Annals of Botany 96 (6), 2005, pp. 1109–1119, abstract
Individual evidence
- ↑ a b Rafaël Govaerts (Ed.): Deschampsia antarctica. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved November 10, 2016.
