Poa altaica Trin. - Poa altaica

Systematic position.

Family Poaceae Barnhart, Genera Poa L.


P. tristis Trin.

Morphology and biology.

Perennial, dense-tussock grass. Grows 10-40 cm tall. Stem is smooth. Leaf is 1-3 mm wide, green, soft, plane or conduplicate. Lingula of upper leaf is 0.5-3 mm long. Inflorescence is an elongated panicle with rough branches. Spikelet is 4-8 mm long, often dark colored. Lower floral glume has visible veins. Pubescent along the keel, along extremity veins, and between veins. Callus is bare or with several long, twisting hairs. Plant is cross-pollinated and wind-pollinated. Flowering and ripening occur in July-August. Plant performs seed and vegetative reproduction. Chromosomal number is unknown.


Occurs in Western Siberia (Altai), Eastern Siberia (south part), Middle Asia (Dzhungarskii Alatau, mountain ridge Tarbagatai, north and central Tien Shan); China (west), and Mongolia.


Species occurs in small meadow plots, on stony slopes and among rocks in the middle and upper mountain zones.

Economic value.

Forage plant.

Reference citations:

Cherepanov S.K. 1995. Plantae Vasculares Rossicae et Civitatum Collimitanearum (in limics USSR olim) [List of Vascular Plants of Russia]. St. Petersburg: Mir I Semia. 990 pp. (In Russian)
Malyshev L.I., Peshkova G.A., ed. 1990. Flora of Siberia. Vol. 2. Poaceae (Graminea). Novosibirsk: Nauka. 361 pp. (In Russian)
Tzvelev N.N. 1976. Poaceae USSR. Leningrad: Nauka. 788 pp. (In Russian)

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Photo © K.A. Funtova

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