Onobrychis vaginalis C.A.M. - Sheathed Sainfoin.

Taxonomic position.

Family Fabaceae Lindl., genus Onobrychis Mill.

Morphology and biology.

Perennial herbaceous plant. Stems 40-80 cm tall, rough, more or less densely squarrosely pilose. Stipules up to 2 cm long, fused at the base. Leaflets of lower leaves obtuse, those of middle and upper ones ovate-lanceolate, 15-25 mm long, 7-15 mm wide, narrowed toward the apex, acute or acutish. Peduncles long. Racemes lax, many-flowered. Calyx 8-10 mm long. Corolla 15-20 mm long, pale pink, with thin weakly distinct veins. Pod 15 mm long, moderately pubescent, with thin short spines at disc and margins. Flowers in May, fruits in July. Self-incompatible, cross-pollinated plant.


Caucasus (eastern Transcaucasia). Endemic.


On dry slopes, clay and debris outcrops from lower to middle mountain zone.

Economic value.

Valuable forage plant.


Galushko AI. 1980. Flora of the North Caucasus: Handbook. V.2. 352 p. (In Russian).
Grossheim AA. 1952. Flora of Caucasus. 2nd ed. V.5. P.358-376. (In Russian).
Grossheim AA. 1948. Sainfoin - Onobrychis Adans. In: Shishkin BK., Bobrov EG., eds. Flora URSS. V.13. P.319-367. (In Russian).

© N.I.Dzyubenko, E.A.Dzyubenko

© Photo by E.A.Dzyubenko

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