Poa urssulensis Trin. - Urssulian bluegrass.

Taxonomical position.

Family Poaceae Benth., Genus Poa L.

Morphology and biology.

Perennial cereal. The plant forms dense or friable tussocks. Stalks smooth, 25-60 cm tall. Leaves flat or grouped lengthwise, 1-2 mm in width; ligulas up to 1.5-2.5 mm in length. Panicle lengthened-pyramidal, 6-10 cm in length; branchlets rather long, sharply rough. Spikelets 3.5-5 (6) mm in length. The bottom floral scales are 3-4 mm in length, tomentous across the keel and marginal veins. Blossoms in June-August. Anemophilous. 2n=28 (42).


Occurs in Polar and Northern Ural, Siberia, the Far East, the mountains of Central Asia, the Himalayas, Western China, and Mongolia.


Occurs in woods, among bushes, in wood glades, on stony slopes, among pebbles, and amidst limestone exposures.

Use and economic value.

Fodder plant.

Literature cited:

Kharkevich S.S., ed. 1985. Vascular Plants of the Soviet Far East. Vol.1. Leningrad: Nauka, 398 pages.
Malyshev L.I., Peshkova G.A., eds. 1990. Flora of Siberia. Vol. 2. Poaceae (Gramineae). Novosibirsk: Nauka, 361 pages.
Tzvelev N.N. 1976. Cereals of the USSR. Leningrad: Nauka, 788 pages.

© L.L. Malyshev


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