直柄孪果鹤虱 zhi bing luan guo he shi

Rochelia macrocalyx Bunge.

Herbs annual, 2-5 cm. Branches spreading, grayish. Leaves mainly in lower part of stem, resembling a rosette, withering in fruit, oblong, 0.5-1.5 cm. Upper leaves linear, spreading bristly, apex obtuse. Inflorescences dense, short; peduncle straight, 2-10 mm, thin; bracts linear, small. Calyx campanulate, very small, 1-1.5 mm, densely bristly, elongated to 5-7 mm in fruit; lobes free, straight, lanceolate, with sharply protruding midvein, apex slightly curved. Corolla blue, very small. Nutlets ovoid-oblong, 2-2.5 mm, with dense tubercles apically anchorlike. Fl. May-Jun, fr. Jul.

Stony slopes, gravel. NW Xizang [Afghanistan, Pakistan, Tajikistan, Uzbekistan].