Astragalus pardalinus (Rydb.) Barneby

Phaca pardalina Rydberg, sp. nov
Perennial, with a taproot; stems spreading or ascending, grayish-villous, terete, 1-2 dm. long; leaves 3-6 cm. long, spreading; stipules lanceolate or deltoid, acuminate, 2-4 mm. long; leaflets 9-13, oblong or those of the lowei leaves obovate, rounded or rarely retuse at the apex, 4-10 mm. long, grayish-villous on both sides; peduncles 3-5 cm. long, erect; racemes 5-10flowered, 2-5 cm. long; bracts subulate, 2-3 mm. long; pedicels 2-3 mm. long; calyx villous, the tube 3 mm. long, the lobes subulate, 2 mm. long; corolla purple or white, 7-8 mm. long; banner broad, strongly arcuate at the middle; wings nearly as long, the blade oblanceolate-falcate, with a 'arge basal auricle; keel-petals shorter, the blade broadly lunate; legume sessile, villous, ellipsoid, 2 cm. long and fully 1 cm. wide, yellowish, with purplish-brown blotches.
Tvpe collected on Cedar Mountain, Green River, Utah, May 20, 1915, M. E. Jones (herb. N. Y. Bot. Garden).
Distribution: Utah and northwestern New Mexico.

Annual, Herbs, Taproot present, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems l ess 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 10-many, Leaves hairy on one or both surfaces, Flowers in axillary clusters or few-floweredracemes, 2-6 flowers, 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, 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, Filam ents 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 hairy, Fruit 11-many seeded, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.

Astragalus pardalinus adalah spesies tumbuhan yang tergolong ke dalam famili Fabaceae. Spesies ini juga merupakan bagian dari ordo Fabales. Spesies Astragalus pardalinus sendiri merupakan bagian dari genus Astragalus. Nama ilmiah dari spesies ini pertama kali diterbitkan oleh (Rydb.) Barneby.

Astragalus pardalinus là một loài thực vật có hoa trong họ Đậu. Loài này được (Rydb.) Barneby miêu tả khoa học đầu tiên.