Dalea aurea C. Fraser

Parosela aurea (Nutt.) Britton, Mem. Torrey Club 5: 196. 1894.
Dalea aurea Nutt.; (Fraser Cat., hyponym. 1813) Pursh Fl. Am. Sept. 740. 1814. Psoralea aurea Poir. in Lam. Encyc. Suppl. 4: 590. 1816. Cylipogon capitatum Raf. Jour. Phvs. 89: 97. 1819. Pctalostemon (?) capitatum DC. Prodr. 2: 244. 1S25.
A perennial, woody at the base; stems several, erect, 3-5 dm. high, silky-canescent, leafy but the upper leaves reduced and scattered; leaves pinnately 5-, rarely 7-foliolate, ascending, 2-5 cm. long; stipules subulate, 2-3 mm. long; petiole about 1 cm. long; rachis sericeous, obscurely if at all dotted; leaflets oblong-oblanceolate to narrowly obovate, sparingly silky above, densely so and minutely glandular-dotted beneath, 1-2 cm. long; peduncles terminating the stems, 1-10 cm long; spikes dense, 2-5 cm. long, nearly 1.5 cm. thick; bracts ovate, shortacuminate, densely silky, equaling the calyx; corolla yellow; blade of the banner flabelliformcordate, about 4 mm. long and broad, the claw 4-5 mm. long; wings and keel-petals inserted slightly above the middle of the staminal tube, the blades obliquely oval, with a large rounded basal lobe, those of the wings about 5 mm. long, those of the keel-petals 6-7 mm. long, the claws of both 1 mm. long; pods silky-villous.
Type locality: "Upper Louisiana" [according to Nuttall (Gen.): near White River, now South Dakota].
Distribution: South Dakota and Wyoming to Texas, Coahuila, and New Mexico.

Herbs, Stems woody below, or from woody crown or caudex, Taproot present, Nodules present, Stems erect or ascending, Stems less than 1 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Stem hairs hispid to villous, Stems hairs pilose or spreading, Leaves alternate, Leaves petiolate, Stipules inconspicuous, absent, or caducous, Stipules setiform, subulate or acicular, Stipules deciduous, Stipules free, Leaves compound, Leaves pinnately 3-foliolate, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 3, Leaflets 5-9, Leaves glandular punctate or gland-dotted, Leaves hairy on one or both surfaces, Inflorescences spikes or spike-like, Inflorescence terminal, Bracts conspicuously present, Bracts hairy, Bracteoles present, Calyx 5-lobed, Calyx hairy, Petals separate, Corolla papilionaceous, Petals clawed, Petals orange or yellow, Banner petal narrow or oblanceolate, Banner petal ovoid or obovate, Wing petals narrow, oblanceolate to oblong, Wing tips obtuse or rounded, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens monadelphous, united below, Filaments glabrous, Style terete, Fruit a legume, Fruit unilocular, Fruit indehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit enclosed in calyx, Fruit hairy, Fruit 1-seeded, Seeds reniform, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.

Dalea aurea, commonly called golden prairie clover, is a species of flowering plant in the legume family (Fabaceae). It is native to North America, where it is found in the Great Plains and southwestern United States, and in the state of Coahuila, Mexico. Its natural habitat is in silty or gravelly prairies, often over limestone.

It is an herbaceous perennial, with pinnate-compound leaves. It produces yellow flowers in spring and early summer.

Dalea aurea là một loài thực vật có hoa trong họ Đậu. Loài này được C.Fraser miêu tả khoa học đầu tiên.