小头花香薷 xiao tou hua xiang ru

Herbs annual, diffuse, 5-17 cm tall. Stems ascending, unbranched or few branched, ± with 2 rows of white floccose-pilose hairs or subglabrous. Stem leaves widely spaced, subtending short axillary shoots; petiole 3-13 mm, slightly thickened, white floccose-pilose; leaf blade broadly ovate-triangular, 0.5-4 × 0.5-4 cm, herbaceous, adaxially sparsely fine pilose, abaxially obscurely glandular, sometimes purplish, base truncate to shallowly cordate, rarely rounded, margin crenate, apex acute. Spikes capitate, terminal or axillary, lax flowered, 4-7 mm in diam., sessile or with peduncles longer than petioles; bracts linear to spatulate, shorter than calyx, villous, base cuneate. Pedicel 1-2 mm or less. Calyx cup-shaped, 3-4 mm, villous outside, glabrous inside; teeth 1.5-2 mm, subequal, linear-lanceolate, obtuse; fruiting calyx dilated, glabrescent. Corolla tube subglobose above base, as long as calyx tube; limb broadly campanulate, slightly shorter than calyx teeth, purple moniliform villous outside, 5-lobed; lobes regular, broadly ovate to subtriangular, apex rounded. Stamens subequal, included or slightly exserted. Nutlets globose, ca. 2 mm in diam., appressed puberulent. Fl. Nov.

* Streambanks, alpine meadows; 3200-4100 m. Sichuan.