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Astragalus onobrychis L.

1697 (22). A. onobrychis L., Sp. Pl. ed. 1 (1753) 760; Hayek, Prodt. Fl. Penins. Balc. I (1926) 785; Chater, Fl. Eur. П (1968) 120 — Еспарзетов клин

Fam: Leguminosae Juss. (Fabaceae)
Genus: Astragalus L.
Species: Astragalus onobrychis L.
English Name:

Description:

Perennial plant. Roots powerful, many-headed. Stems recumbent or rose slightly, (10.0) 30.0 - 60.0 (80.0) cm long, at the base woodened, up grassy and heavily branched fibrous fitting. Stipule 1.5 - 12.0 mm long, initially fused together and cover the stem, later torn, ovoid or ovoid lance, sharp. Leaves 3.0 - 12.0 cm long, with short stalks or sessile, imparipinnate. Leaflets 8 - 16 pairs, 4.0 - 15.0 (20.0) mm long, 1.5 mm wide, elliptical lance, acute or almost dull, green on both sides fitting fiber. Inflorescences 1.5 - 5.0 cm long racemes, longer than in inflorescences leaves, thick, ovate, spread fibrous later in beans extended by 1 - 3 times longer than the petiole. Bracts 2.0 - 4.0 mm long, half shorter than the calyxes of the flowers, lance, tunicates, edges long ciliates. The flowers more than 10, large, 17.0 - 22.0 (25.0) mm long, with short stems. Calyx 6.0 - 8.0 mm long, pipe-like bell-shaped, usually with lies close to white or black cloth, with linear to linear lance teeth equal to 1/4 - 3/4 the length of the tube of the calyx. Corolla 20.0 - 30.0 mm long, blue, dark violet, purple or yellowish, fibrous. Flag 16.0 - 30.0 mm long, almost oblong rhombic, at the base wedge on top entire or slightly incised, twice longer than the keel. Wings almost twice shorter than the flag, on top obtuse and oblique cut. The keel a little shorter than the wings as wide as them. Pistils and white fibrous ovaries. Beans 7.0 - 15.0 mm long, ovate to ovoid lance oblong, triangular, slightly flattened on the back widely and deeply furrowed on top with a long curved beak, two-well, short white fibrous. Seeds about 1.0 - 1.5 mm long, rounded kidney, olive green.

volatility

1    Corolla blue to deep purple, bluish red or purple ...................................................................................................................................... 2
1* Corolla yellowish ............. var. sofianus (Vel.) Stoj. et Stef., Arch. Min. ZEM. Ill (1922) 61; Astragalus sofianus Vel., Fl. Bulg. (1891) 152. Sofia region (Lulin), Vitosha Region (Vitosha).
2   Leaflets grassy, soft, uniform ............................................................................................................................................................. 3
2* Leaflets fleshy, rigid, these lower leaves almost round, the above - elliptical. . . . var. škorpili (Vel.) Valev comb, et st. n .; A. škorpili Vel., Fl. Bulg. (1891) 148; A. varnensis Dav., Österr. Bot. Zeitschr. LII (1902) 493; A. onobrychis var. varnensis (Dav.) Stoj. et Stef., Arch. Min. agricul. III (1922) 61; A. onobrychis var. gilliati Turr., Journ. Bot. 62 (1924) 259. Black Sea coast (Varna, Burgas).
3   Corolla bluish red or purple. Leaflets elliptical lance . . . var. onobrychis. Spread in the limits of the species.
3* Corolla blue violet. Leaflets linear or narrowly lanceolate . . . var. chloro carpus (Griseb.) Stoj. et Stef., Arch. Min. Agriculture. Ill (1922) 61; Astragalus chlorocarpus Griseb., Spicil. Fl. Rumel. et Bithyn. I (1843) 50; A. chlorocarpus var. alibotuschensis Deg., in Deg. et Dren., Izvestiya. Bul. Bot. Soc. VI (1934) 83. Spread within of the border of the species.

Northeastern Bulgaria, the Danube plain, Fore, Sofia region (Lulin), Western Stara Planina (Vratsa) Znepole region, Rila (Stankedimitrovsko, River Valley. Bistritsa), Slavyanka
From: „Флора на НР България”, том VI, БАН, София, (1976)

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Astragalus onobrychis is a species of milkvetch in the family Fabaceae. It is the type species of the genus Astragalus, the largest genus of Angiosperms by number of known species.
From Wikipedia, the free encyclopedia

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Flowering Time: Blooms: V - VII, fruitful: VII - X.

References: „Флора на НР България”, том VI, БАН, София, (1976), Wikipedia, the free encyclopedia

Distribution in Bulgaria: Grow in dry grassy and sandy places and dry meadows. Common in the foothills and mountains up to 1000 m altitude. (Conspectus of the Bulgarian Vascular Flora) = conspectus&gs_l= Zlc.

Distribution: Central, Eastern and Southern Europe, Western Siberia, the Caucasus, Central Asia.

Conservation status and threats: not protected species in Bulgaria by the Biodiversity Law. - Biological Diversity Act - http://eea.government.bg/bg/legislation/biodiversity/zbran_22.08.15.pdf

Medical plant: it is not - Medicinal Plants Act - http://eea.government.bg/bg/legislation/biodiversity/ZLR_en.pdf

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