Relatives

Hordeum brachyantherum Nevsky. - Short-antheral barley.

Taxonomic position.

Family Poaceae Barnh., genus Hordeum L.

Morphology and biology.

Perennial laxicaespitose plant. 20-80 cm tall. Stems are bare, geniculate in the inferior node. Vaginas are bare. Plates of leaves are 7-10 mm in width, green, flat, shortly pointed, rough. Ligulae of leaf is 2 mm in length. Spikes are 3-6 cm in length, cylindrical or inversely ovate. Spike scales are bristle-like, and, together with aristas, are about 10 mm in length. Inferior floral scales are 7-10 mm in length with cilia along the keel and an arista up to 6 cm in length on top. Anthers are 5-12 mm in length, lanceolate, smooth or slightly rough, with an arista 7-12 mm in length on top. Anthers of fecund flower are about 1.5 mm in length. Blossoms in July; fructifies in August. 2n=28.

Diffusion.

The general distribution area covers the western part of Boreal America. Within the former USSR, the species occurs in southern Kamchatka, and, more rarely, in Komandorsky and the Kuril islands.

Ecology.

Occurs in pastures and along roads.

Use and economic value.

A forage plant.

References:

Cherepanov, S.K. 1995. Plantae Vasculares Rossicae et Civitatum Collimitanearum (in limicis USSR olim). St. Petersburg, Mir I Semia, 990 p. (in Russian).
Kharkevich S.S., ed. 1987. Vascular Plants of the Soviet Far East. Vol. 1. Leningrad: Nauka, 446 p. (in Russian).
Shishkin B.K., Bobrov E.G., eds. 1948. Flora of the USSR. Vol. 1. M.-L.: Publishing House of Acad. Science, p. 391. (in Russian).
Tsvelev, N.N. 2000. Manual of the vascular plants of Northwest Russia (Leningrad, Pskov and Novgorod district). St. Petersburg, Publishing House of SPHFA, p. 511. (in Russian).

© T.N. Smekalova

Copyright on the image belongs to R.S. Ushakova.
 

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