胀果棘豆 zhang guo ji dou

Herbs, 2-3 cm tall, acaulescent, from a multiheaded cau­dex, with many marcescent petioles and stipules. Stipules nar­rowly triangular, ca. 5 × 3 mm, thinly membranous to scari­ous, glabrous, basally connate. Leaves 1.5-4 cm, 13-19-folio­late; leaflet blades oblong-elliptic, 3-7 × 1-2 mm, densely pu­bescent. Racemes compact, 3-6-flowered; peduncle 1.5-4 cm, subequal to or slightly longer than leaves; bracts triangular, ca. 2 × 1 mm, with dense trichomes. Calyx cylindric, 10-14 × 2-3 mm, with whitish trichomes; lobes triangular, 2-3 × ca. 2 mm, much shorter than tube. Corolla yellow; standard 2.2-2.5 cm, lamina orbicular, apex emarginate; wings 1.6-1.8 cm, lamina obovate; keel 1.6-1.8 cm, beak ca. 2 mm. Legume sessile, ovoid, ca. 1.2 cm, inflated, densely villous. Fl. Jun-Jul, fr. Jul-Aug. 2n = 48.

Hillsides, meadows, Stipa grasslands, floodplains, roadsides; 2200-5000 m. Gansu, Qinghai, Xinjiang, Xizang [India, Kazakhstan, Kyrgyzstan, Pakistan, Tajikistan, Turkmenistan, Uzbekistan].