Elymus caninus (L.) L. - Bearded Couch.

Taxonomic position.

Family Poaceae Barnhart, genus Elymus L.


Agropyron caninum (L.) Beauv., Roegneria canina (L.) Nevski, Triticum caninum L.

Morphology and biology.

Short-rhizomatous perennial plant 40-130 cm tall. Leaves up to 1.5 cm wide, flat, with sparse long hairs above, glabrous beneath, more or less scabrous. Spikes rather long, 10-20 cm, slightly drooping. Spikelets 2-5-flowered. Glumes with 3(5) veins scabrous with spinules, with short fluff inside. Lemma glabrous at back, very rarely with few spinules in upper part, with flexuous awn 1.5-1.8 cm long, equal to or longer than lemma. Palea with dense short spinules on ribs, scabrous between ribs. Cross-pollinated anemophilous plant. Flowers in June, fruits in August. 2n=28.


European part of the former USSR (rare in extreme southeast), Crimea, Caucasus, West Siberia, East Siberia (south), Central Asia.


In fir, spruce, aspen and mixed forests, birch kolki (insular forests), forest glades, flood-plain meadows, riverine thickets, near thermal springs, up to upper montane zone.

Use and economic value.

Perfect forage grass.


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Grossheim AA. 1939. Flora of Caucasus. 2nd ed. V.1. 402 p. (In Russian).
Shelyag-Sosonko YuR., ed. Grasses of Ukraine. 1977. Kiev: Naukova Dumka. 518 p. (In Russian).
Kovalevskaya SS., ed. 1968. Manual of plants of Middle Asia. V.1. Tashkent. 226 p. (In Russian).
Fedorov AA., ed. 1974. Flora of the European part of the USSR. V.1. Leningrad: Nauka. 404 p. (In Russian).
Pavlov NV., ed. 1956. Flora of Kazakhstan. V.1. Alma-Ata. 354 p. (In Russian).
Rozhevits RYu., Shishkin BK., eds. 1934. Flora URSS. V.2. 778 p. (In Russian).
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Malyshev LI., Peshkova GA., eds. 1979. Flora of the Central Siberia. V.1. 536 p. (In Russian).
Tzvelev NN. 1976. Grasses of the Soviet Union. Leningrad: Nauka. 788 p. (In Russian).
Hulten E., Fries M. 1986. Atlas of North European vascular plants north of the Tropic of Cancer. V.1-3. Konigstein: Koeltz Scientific Books.
Meusel H. et al. 1965. Vergleichende Chorologie der Zentraleuropischen Flora. Jena. 583 S.

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