Tundra grass

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Tundra grass
Dupontia psilosantha

Dupontia psilosantha

Systematics
Class : Bedecktsamer (Magnoliopsida)
Monocots
Commelinids
Order : Sweet grass (Poales)
Family : Sweet grasses (Poaceae)
Genre : Tundra grass
Scientific name
Dupontia
R.Br.

The tundra grasses ( Dupontia ) are a genus of the sweet grass family , which includes around 200 species.

features

Tundra grasses are perennial plants and reach heights of 10–25 cm. They have long, underground runners. Their stiff, narrow, single stalks carry the narrow panicle of the inflorescence. The elongated, flat leaves of the plant are pointed at their ends. The elongated, laterally flattened spikelets are two- to four-flowered. Each flower has three stamens and a well-developed style. The glumes are about as long as the lemmas.

The genus name honors the French botanist JD Dupont.

distribution

The genus occurs in the northern hemisphere and here mainly in North America.

Systematics

The genus is probably divided into only four species. Other sources describe 17 species worldwide.

Safe types:

Individual evidence

  1. ^ TW Böcher, K. Holmen & K. Jakobsen: Grönlands Flora , 2nd ed. P. Haase & Søns, Copenhagen 1966.
  2. ^ OI Rønning: Svalbards Flora , 3rd edition. Norsk Polarinstitutt: Oslo 1996, ISBN 82-7666-101-7
  3. ↑ chestofbooks [1]
  4. ^ Clayton, WD, Harman, KT and Williamson, H. (2006 onwards). GrassBase - The Online World Grass Flora. [2]
  5. ↑ ITIS [3]
  6. ↑ Zipcode Zoo Dupontia (Genus) ( Memento from March 8, 2012 in the Internet Archive )

Web links