Bromopsis ircutensis Kom. - Irkutsk brome.

Taxonomic position.

Family Poaceae Barnhart., genus Bromopsis Fourr.


Zerna ircutensis (Kom.) Nevski. Bromopsis pumpelliana subsp. Korotkiji var. ircutensis (Kom.) Tzvel.

Biology and morphology.

Perennial plant with long rhizomes. Root system is well-developed. Stems erect, 50-80 cm tall, pubescent, especially at and under the nodes. All sheathes and rough blades densely pubescent. Blade rough, pubescent. Ligule very short (1 mm), truncate. No auricles. Panicle-like inflorescence 7.0-15.0 cm long, oblong, sometimes compact, half-verticillate. Spikelets 1.5-3.0 cm long, with or without awns up to 1.5 mm long. Blossoms in June; seeds ripen in August. Cross-pollinated by wind. 2n = ?.


Russia (Sayan Mountains in Siberia).


Occurs on sandy and stony riversides up to the middle mountain zone.

Utilization and economic value.

Good forage and pasture species for areas with severe winters. Can be used for hay, haylage. Good palatability. Improves soil structure and fertilization. Used for erosion control. Can be used as a lawn grass, too.

Literature cited:

Brezhnev D.D., Korovina O.N. 1980. Wild relatives of the cultivated plants of flora of the USSR. L.: Kolos, 376 pp. (in Russian).
Malyshev L.I., Peshkova G.A., eds. 1990. Flora of Siberia. Vol. 2. Novosibirsk: Nauka, 361 pp. (in Russian).
Malyshev L.I., Peshkova G.A., eds. 1979. Flora of Central Siberia. Vol. 1. Novosibirsk: Nauka, 536 pp. (in Russian).
Rozhevitz P.U., Shishkin V.K., eds. 1937. Flora of the USSR. Vol. 2. M.-L.: USSR, 778 pp. (in Russian).
Tzvelev N.N. 1976. Poaceae USSR. L.: Nauka, 788 pp. (in Russian).

© Dzyubenko N.I., Dzyubenko E.A.

Copyright on the photos belongs to N.I. Dzyubenko.

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