Harpalyce formosa DC.

Harpalyce formosa DC. Prodr. 2: 523. 1825
Astragalus carnosus Moc. & Sesse; DC. Mem. Leg. 496; Prod. 2: 523, as synonym. 1825. Astragalus formosus Sesse & Moc. PI. Nov. Hisp. 119. 1889.
A shrub, up to 1.5 m. high, subsericeous; leaves 5 cm. long or more; leaflets obovate or elliptic, about 2 cm. long, rounded at the apex, acute at the base, subsericeous, slightly ferruginous; racemes 5-10 cm. long; calyx 2-2.5 cm. long; corolla rose-colored; banner obovate, 2.5-3 cm. long, longer than the other petals; wings oblanceolate, falcate; keel-petals linear, strongly incurved; pod glabrous, about 5 cm. long and 2.5 cm. wide.
Type locality: Warmer regions of Mexico.
Distribution: Known only from the type locality and Yucatan.

Harpalyce loeseneriana Taubert; Loesener, Bull. Herb Boiss. 3:612. 1895.
Harpalyce ferruginea Brand. Zoe. 5: 234. 1906.
A shrub; young branches densely fetiuginous-pubescent, almost velutinous, later more canescent and in age glabrate; bark of the old branches with white lenticels; leaves 5-12 cm. long; petiole 1-4 cm. long, as well as the rachis densely ferruginous; leaflets 5-9, elliptic or oblong, obtuse and mucronate or acutish at the apex, obtuse at the base, 2-5 cm. long, 1-2 cm. wide, chartaceous, shortvillous, or in age almost glabrous above, densely ferruginous-villous, sub-velutinous, and with orange glands beneath, the midrib very prominent beneath and the lateral veins less so, panicles and calyces densely ferruginous; upper lip of the calyx 11-15 mm., the lower 16-22 mm. long, both narrowly lanceolate and obtuse; corolla purple; banner obovate, 18-30 mm. long, 10-18 mm. wide; wings falcately oblanceolate, 12-25 mm. long, with a lanceolate recurved basal auricle; keel-petals similar but more linear, more strongly incurved, the basal auricle lanceolate; pod oblong, thin, leathery, 6-8 cm. long, 2-2.5 cm. wide, glabrous, 6-9-seeded.
Type locality: Near Mitla, district of Tlacolula, Oaxaca.
Distribution: Oaxaca and Puebla.