Astragalus nutans M. E. Jones

Phaca nutans (M. E. Jones) Rydberg
Astragalus nutans M. E. Jones, Rev. Astrag. 108. 1923. Astragalus deserticolus Jepson, Man. Fl. PI. Calif. 565. 1925.
Perennial, branched at the base, strigose; leaves 4-5 cm. long, ascending; stipules broadly deltoid, 3 mm. long; leaflets 7-13, elliptic, 8-15 mm. long, strigose-canescent on both sides; peduncles 2-4 cm. long; racemes short, 3-7-floweied; bracts lanceolate, 2 mm. long; calyx stiigose, the tube 3 mm. long, the teeth subulate, 2 mm. long; corolla purple, nearly 1 cm. long; banner obovate, arched at the middle at an angle of about 45°, with a white spot, purpleveined; wings slightly shorter, the blade obliquely obovate; keel-petals still shorter and broadly lunate; pod stipitate, strigulose, unspotted, or nearly so, the stipe 2 mm. long, the body rounded ellipsoid, 2-2.5 cm. long, 1.5 cm. wide or more.
Type locality: Province Mountains, California. Distribution: Known only from the type locality.

Annual, Herbs, Taproot present, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems less than 1 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules membranous or chartaceous, Stipules persistent, Stipules free, Leaves compound, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 5-9, Leaflets 10-many, Leaves hairy on one or both surfaces, Inflorescences racemes, Inflorescence axillary, Bracts very small, absent or caducous, Flowers zygomorphic, Calyx 5-lobed, Calyx glabrous, Petals separate, Corolla papilionaceous, Petals clawed, Petals pinkish to rose, Petals blue, lavander to purple, or violet, Petals bicolored or with red, purple or yellow streaks or spots, Banner petal narrow or oblanceolate, Wing petals narrow, oblanceolate to oblong, Wing tips obtuse or rounded, Keel petals auriculate, spurred, or gibbous, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens diadelphous, 9 united, 1 free, Filaments glabrous, Style terete, Style persistent in fruit, Fruit a legume , Fruit unilocular, Fruit tardily or weakly dehiscent, Fruit oblong or ellipsoidal, Fruit exserted from calyx, Fruit inflated or turgid, Fruit beaked, Fruit glabrous or glabrate, Fruit hairy, Fruit 11-many seeded, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.

Astragalus nutans (lat. Astragalus nutans) — paxlakimilər fəsiləsinin gəvən cinsinə aid bitki növü.

Astragalus nutans is a species of milkvetch known by the common name Providence Mountains milkvetch.

Astragalus nutans adalah spesies tumbuhan yang tergolong ke dalam famili Fabaceae. Spesies ini juga merupakan bagian dari ordo Fabales. Spesies Astragalus nutans sendiri merupakan bagian dari genus Astragalus. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh M.E.Jones.

Astragalus nutans là một loài thực vật có hoa trong họ Đậu. Loài này được M.E.Jones miêu tả khoa học đầu tiên.