海南毒鼠子 hai nan du shu zi

Chailletia longipetala Turczaninow, Bull. Soc. Imp. Naturalistes Moscou 36(1): 611. 1863; C. hainanensis Hance; Dichapetalum hainanense (Hance) Engler; D. tonkinense Engler.

Scandent shrubs or lianas, 3-4 m tall. Branchlets ferruginous villous, old branches glabrous, black-brown, with sparsely gray rounded lenticels. Stipules linear, 5-7 mm, pilose, deciduous; petioles 4-5 mm, strigose; leaf blade papery or subleathery, oblong or oblong-elliptic, 8-17 × 3-9 cm, ferruginous villous abaxially, glabrous adaxially, except midrib and lateral veins ferruginous strigose, lateral veins 6-9 pairs, base cuneate, broadly cuneate, or slightly rounded, margin entire, apex acuminate. Cymes axillary, sessile, 0.75-1 cm, many flowered, ferruginous villous. Flowers bisexual, shortly pedicellate. Sepals oblong, 3-4 mm, densely gray pubescent on exterior. Petals white, bifid, subspatulate, ca. 5 mm, glabrous, apex 2-lobed. Stamens ca. 5 mm. Glands small, quadrangular, shallowly 2-lobed, ca. 0.5 mm, glabrous. Ovary brown pubescent, 2- or 3-locular; style exceeding stamens, apex 3-lobed. Drupe obcordate or elliptic, oblique, ca. 2 cm in diam., densely ferruginous pubescent, without distinct sutures. Fl. throughout year, mainly Oct-Mar, fr. Jan-Jun.

Dense or sparse forests in mountain valleys; middle altitudes, ca. 500 m. Guangdong, Guangxi, Hainan [Cambodia, Malaysia, Myanmar, Thailand, Vietnam].