Relatives

Bromopsis Korotkiji (Tzvelev) Holub. - Brome Korotkiji.

Taxonomic position.

Family Poaceae Barnhart., genus Bromopsis Fourr.

Synonyms.

Bromus Korotkiji Drob., B. ircutensis Kom., B. pavlovii Roshev., Zerna Korotkiji (Drob.) Nevski, Zerna ircutensis (Kom.) Nevski, Zerna pumpelliana subsp. Korotkiji (Drob.) Tzvel., Bromopsis pumpelliana subsp. Korotkiji (Drob) Tzvel.

Biology and morphology.

Perennial plant with long rhizomes. Root system is well-developed. Stems erect, 50-80 cm tall. 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, sometimes violet. Lemmas with or without short awns, up to 1.5 mm long. Glumes with dense, soft pubescence along ridges. Blossoms in June; seeds ripen in August. Cross-pollinated by wind. 2n = ?.

Distribution.

Eastern Siberia (Russia).

Ecology.

Meso-xerophyte, adapted to temperate regions. Occurs in wet meadows, on slopes, along rivers and on the Baikal Lake coast. Very cold-resistant and frost-resistant. Resistant to early fall and late spring frosts. Does well on all main soil types, excluding acidic, salty and heavy soils. Does not tolerate shade.

Utilization and economic value.

Good forage and pasture species for areas with severe winters. Can be used for hay, haylage. Good palatability. Improves soils 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).
Harkevich S.S., ed. 1985. Vascular Plants of Soviet Far East. Vol. 1. Saint Petersburg: Nauka, 390 p. (in Russian).
Harkevich S.S., ed. 1982. Wild fodder grasses of Fast East. Moscow: Nauka, 240 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).
Rodjevitz P.U., Schischkin 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).

© N.I. Dzyubenko, E.A. Dzyubenko

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

Web design —
Kelnik studios