Astragalus bicristatus A. Gray

Homalobus bicristatus (A. Gray) Rydb. Bull. Torrey Club 51: 19. 1924.
Astragalus bicristatus A. Gray, Proc. Am. Acad. 19: 75. 1883.
Astragalus bicristatus tetrapteroides M. E. Jones, Contr. W. Bot. 10: 58. 1902.
A perennial, with a cespitose caudex; stems 3-6 dm. high, more or less strigose, striate; leaves 7-10 cm. long; stipules triangular, free, 2-3 mm. long; leaflets 15-21, linear, 12-20 mm. long, 1-3 mm. wide, strigose-canescent; peduncles 7-10 cm. long; racemes short, dense at first, elongate in fruit; bracts lanceolate, 2-3 mm. long, longer than the pedicels; calyx strigose with black hairs, the tube 5 mm. long, 3 mm. broad, gibbous below on the upper side, the teeth lanceolate, 2 mm. long; corolla ochroleucous; banner obovate, acute, long-clawed, about 15 mm. long; wings 14 mm. long, the blades equaling the claw, obliquely lanceolate, acutish, with a large basal auricle; keel-petals 12 mm. long, the blade shorter than the claw, nearly semicircular, rounded at the apex, with a rounded basal auricle; pod stipitate, glabrous, the stipe slightly longer than the calyx, the body lunate, strongly incurved, tapering at each end, coriaceous, 2.5 cm. long, 6-7 mm. broad, in age turgid, the sutures prominent, the upper nearly straight, the lower curved; seeds obliquely reniform, 3.5 mm. long, 2.5 mm. broad.
Type locality: San Bernardino Mountains, southeastern California, in a canon on the Mohave side.
Distribution: Mountains of southern California.

Perennial, Herbs, Stems woody below, or from woody crown or caudex, 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, Stipules connate to each other, forming a tuber or sheath, Leaves compound, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 10-many, Leaves hairy on one or both surfaces, Inflorescences racemes, Infl orescence axillary, Bracts very small, absent or caducous, Flowers zygomorphic, Calyx 5-lobed, Calyx glabrous, Petals separate, Corolla papilionaceous, Petals clawed, Petals ochroleucous, cream colored, Petals greenish yellow, Banner petal narrow or oblanceolate, Wing petals narrow, oblanceolate to oblong, Wing tips obtuse or rounded, Keel petals auriculate, spurred, or gibbous, Stamens 9-10, Stamens diadelphous, 9 united, 1 free, Filaments glabrous, Style terete, Style persistent in fruit, Fruit a legume, Fruit stipitate, Fruit unilocular, Fruit freely dehiscent, Fruit oblong or ellipsoidal, Fruit strongly curved, falcate, bent, or lunate, Fruit fleshy, Fruit coriaceous or becoming woody, Fruit exserted from calyx, Fruit beaked, Fruit glabrous or glabrate, Fruit 11-many seeded, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.

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

Astragalus bicristatus is a species of milkvetch known by the common names crested milkvetch and two-crested milkvetch. It is endemic to southern California, where it grows in the coniferous forests of the San Gabriel and San Bernardino Mountains of the Transverse Ranges.

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

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