Astragalus tener A. Gray

Hamosa kelloggiana Rydb. Bull. Torrey Club 54: 323. 1927
Astragalus hypogloltis slrigosus Kellogg, Proc. Calif. Acad. 2: 115. 1861.
A slender annual; stem glabrous or sparingly strigose, 1-2 dm. high, branched at the base; leaves 5-6 cm. long, ascending; stipules lance-deltoid, about 3 mm. long; leaflets 5-13, those of the lower leaves oblong or cuneate, 1 cm. long or less, those of the other leaves linear, 1-2 cm. long, acute or obtuse, 1-2 mm. wide, strigose beneath; peduncles 4-6 cm. long; racemes very short, 4-7-flowered; bracts lanceolate, 1 mm. long; calyx black-hairy, the tube 2 mm. long, the teeth lance-subulate, 1.5 mm. long; corolla bluish-purple, striate, 8 mm. long, similar to that of H. tenem; pod about 1.5 cm. long, arcuate, lunate, glabrous, 3 mm. wide and 2.5 mm. thick, cordate in cross-section.
Type locality: Vallejo, California. Distribution: Central California.

Hamosa rattanoides (M. E. Jones) Rydb. Bull. Torrey Club
54: 324. 1927.
Astragalus letter rattanoides M. E. Jones, Rev. Astrag. 268. 1923.
A slender annual; stem glabrous or sparingly strigose, 2-3 dm. high, striate; leaves ascending, 5-8 cm. long; stipules lanceolate, acuminate, 4-5 mm. long; leaflets 7-17, linear, 8-15 mm. long, 1-2 mm. wide, glabrous above, sparingly strigose beneath, acute or those of the lower leaves obtuse; peduncles 4-7 cm. long, slender; racemes subcapitate, 51 0-flowered ; bracts ovate, 1 mm. long; calyx black -hairy, the tube 2 mm. long, the teeth subulate, fully 1 mm. long; corolla 8-10 mm. long, bluish-purple, striate with darker veins, similar to that of H. tenera; pod arcuate, linear, tapering at each end, strigulose, not mottled, 1.5-2 cm. long, 2-2.5 mm. wide and thick, sulcate on the lower suture, cordate in cross-section.
Type locality: Mount Eden, California. Distribution: Central California.

Hamosa tenera (A. Gray) Rydb. Bull. Torrey Club 54:322. 1927. ■
Phaca aslragalina Hook. & Am. Bot. Beech. Voy. 334. 1838.
Astragalus hypoglottis slrigosus Kellogg, Proc. Calif. Acad. 2: 115, in part. 1861.
Astragalus tener A. Grav, Proc. Am. Acad. 6: 206. 1864.
Tragacantha tenera Kuntze, Rev. Gen. 948. 1891.
Astragalus slrigosus Sheldon, Minn. Bot. Stud. 9: 24. 1894.
Astragalus pauperculus Greene, Pittonia 3: 224. 1897.
Astragalus Titi Eastw. Bull. Torrey Club 32: 195. 1905.
A slender annual; stem at first erect, later branched at the base and spreading, 0.5-2 dm. long, sparingly strigose or glabrate; leaves 3-5 cm. long, ascending; stipules ovate-deltoid, acuminate, 2 mm. long, adnate to the petioles; leaflets 5-13, strigose beneath, glabrous above, 5-12 mm. long, those of the lower leaves cuneate or obcordate, retuse, those of the upper leaves mostly oblong or linear, retuse or truncate, rarely obtuse at the apex, cuneate at the base; peduncles 3-5 cm. long, slender; racemes very short, head-like, 2-7-flowered; bracts lanceolate, 1 mm. long; pedicels about 1 mm. long; calyx black-hairy, the tube less than 2 mm. long, the teeth lance-subulate, 1 mm. long; corolla 6-8 mm. long, bluish-purple, with the claws yellowish ; banner obovate, broadly emarginate ; wings 1-2 mm. shorter, the blade oblong, strongly arcuate, very obtuse at the apex, with a long reflexed basal auricle; keel-petals much shorter, the blade broadly lunate, strongly arcuate and acute at the apex; pod 1-1.5 cm. long, 2 mm. wide, and 2.5 mm. thick, canescent, nearly straight, sulcate on the lower suture, broadly cordate in crosssection.
Type locality: California.
Distribution: California.

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 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 10-many, Leaves hairy on one or both surfaces, Flowers in axillary clusters or few-floweredracemes, 2-6 flowers, Inflorescenc es racemes, Inflorescence axillary, Bracts very small, absent or caducous, Flowers zygomorphic, Calyx 5-lobed, Calyx hairy, Petals separate, Corolla papilionaceous, Petals clawed, Petals pinkish to rose, 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 freely dehiscent, Fruit oblong or ellipsoidal, Fruit exserted from calyx, Fruit beaked, Fruit glabrous or glabrate, Fruit hairy, Fruit 3-10 seeded, Fruit 11-many seeded, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.

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

Astragalus tener is a species of milkvetch known by the common name alkali milkvetch. It is endemic to California, where it grows in both coastal and inland areas such as the Central Valley, especially in moist places.

Astragalus tener adalah spesies tumbuhan yang tergolong ke dalam famili Fabaceae. Spesies ini juga merupakan bagian dari ordo Fabales. Spesies Astragalus tener sendiri merupakan bagian dari genus Astragalus. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh A.Gray.

Astragalus tener là một loài thực vật có hoa trong họ Đậu. Loài này được A.Gray miêu tả khoa học đầu tiên.