Astragalus falcatus Lam. - Sickle-shaped Milk-vetch, Falcate Milk-vetch.

Taxonomic position.

Family Fabaceae Lindl., genus Astragalus L.


Astragalus virescens Ait., Tragacantha falcata (Lam.) Kuntze

Morphology and biology.

Perennial well-leaved plant 55-100 cm tall, sparsely hairy, weakly branched. Root system strong. Stipules lanceolate, acute, free. Leaves with 15-20 pairs of elliptic-oblong leaflets. Racemes lax, after flowering extensely elongate, on peduncles equal to floral leaf. Bract whitish, equal to tube. Calyx campanulate, its teeth triangular, shorter than tube. Flowers drooping, greenish-yellow, 10-12 mm long. Pods sessile, drooping, linear, falcately bent, coriaceous, bilocular, sharpened into straight subulate beak. Flowers in June - July, fruits in July - August. Cross-pollinated entomophilous plant. 2n=16.


East and south of the European Russia, Urals, West Siberia, Caucasus.


Steppe and forest-steppe zones, in mountains from lower to upper montane zone. Fringes and glades of light broad-leaved forests, meadows and meadow steppes, feather-grass-forb steppes. Drought-resistant.

Economic value.

Forage plant. Competes with medick in yield of green mass, but being eaten fresh worse than sainfoin. Seed yield is 4-5 centner per hectare on the average, maximum 7.4 centner per hectare, hay yield 60 centner per hectare, yield of green mass 200 centner per hectare.


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.245-335. (In Russian).
Shishkin BK., ed. 1946. Flora URSS. V.12. Moscow; Leningrad. 919 p. (In Russian).
Fedorov AA., Tzvelev NN., eds. 1987. Flora of the European part of the USSR. V.6. Leningrad: Nauka. 254 p. (In Russian).
Polozhij AV., Malyshev LI., ed. 1994. Flora of Siberia. V.9. Fabaceae (Leguminosae). Novosibirsk: Nauka. 280 p. (In Russian).
Malyshev LI., Peshkova GA., eds. 1979. Flora of the Central Siberia. V.2. 506 p. (In Russian).
Roskov YR. et al. 2005. ILDIS World Database of Legumes. [Online] Available at: .

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