Dalea hallii A. Gray

Parosela hallii (A. Gray) A. Heller, Bot. Expl Texas 49. 1895.
Dalea Hallii A. Gray, Proc. Am. Acad. 8: 625. 1873.
A herbaceous perennial, with a woody caudex; stems slender, decumbent, 1-2 dm. high, strigose-canescent; leaves digitately ternate, 2-4 cm. long; stipules subulate, minute; petiole 1-1.5 cm. long, strigose; leaflets linear, acute or even minutely cuspidate, 1-2.5 cm. long, glabrous above, strigose-canescent beneath, obsoktely glandular-dotted; peduncles terminal, 1-2 cm. long; spikes at first dense, in age laxer, 1-4 cm. long; bracts ovate-lanceolate, acuminate, villous-canescent, equaling the calyx; calyx-tube turbinate, 2 mm. long, silky-canescent; lobes filiform from a broad base, silky-plumose, nearly twice as long as the tube ; corolla yellow, fading
rose-colored; blade of the banner flabelliform-reniform, 2 mm. long, shorter than the claw;
wings and keel-petals inserted below the middle of the staminal tube, the blades of the wings
3.5-4 mm. long, those of the keel-petals 5 mm. long; pods villous.
Type locality: Dallas, Texas. Distribution: Texas.

Perennial, Herbs, Stems woody below, or from woody crown or caudex, Taproot presen t, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems prostrate, trailing, or mat forming, Stems less than 1 m tall, Plants gland-dotted or with gland-tipped hairs, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules inconspicuous, absent, or caducous, Stipules setiform, subulate or acicular, Stipules deciduous, Stipules free, Leaves compound, Leaves palmately 2-3 foliate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 3, Leaves glandular punctate or gland-dotted, Leaves glabrous or nearly so, 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 hallii là một loài thực vật có hoa trong họ Đậu. Loài này được A.Gray miêu tả khoa học đầu tiên.