毛咀签 mao ju qian

Clematoclethra racemosa H. Léveillé.

Shrubs climbing. Branchlets, petioles, rachis, pedicels, and calyx densely brownish pilose. Leaves alternate; petiole 0.8-1.7 cm, densely or sparsely pubescent; leaf blade ovate or broadly ovate, 4-11 × 2-6 cm, papery, abaxially ferruginous tomentose or at least ± densely pubescent on major veins, adaxially soon glabrescent, lateral veins 5-7 pairs, prominent abaxially, flat adaxially, basal veins with 3-6 outer secondary veins, base cordate or rounded, margin entire or obtusely serrulate, apex shortly acuminate or acuminate, rarely acute. Flowers polygamous, 5-merous, solitary or few fascicled in shortly pedunculate cymes, axillary or terminal cymose racemes, or cymose panicles to 30 cm. Pedicel ca. 1 mm. Sepals triangular, adaxially rostellate on midvein. Petals obovate, ca. as long as stamens, shortly clawed at base. Disk pentagonous, surrounding ovary, each angle elongated into a liguliform appendage. Style long, 3-fid or cleft to half. Capsule yellow at maturity, 8-9 mm, 9-10 mm in diam., 3-winged, both ends concave, apex with persistent calyx, with 3 rounded, winged locules, along axil dehiscent. Seeds 3, red-brown, shiny, obovoid, ca. 3 × 2.5 mm, raised on back. Fl. Jul-Sep, fr. Nov-Mar of following year.

Sparse forests, often climbing on trees, riverbanks; low to middle elevations. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Yunnan [Cambodia, Laos, Philippines, Thailand, Vietnam].