毒鼠子 du shu zi

Moacurra gelonioides Roxburgh, Fl. Ind., ed. 1832, 2: 69. 1832; Chailletia gelonioides (Roxburgh) J. D. Hooker; Dichapetalum howii Merrill & Chun.

Small trees or shrubs. Young branches appressed pubescent, glabrescent, with sparsely white rounded lenticels. Stipules acerose, ca. 3 mm, pilose, deciduous; petiole 3-5 mm, glabrous or pilose; leaf blade elliptic or oblong-elliptic, 6-16 × 2-6 cm, papery or subleathery, glabrous on both surfaces, or abaxially pubescent only along midrib and lateral veins, lateral veins 5 or 6 pairs, base cuneate or broadly cuneate, slightly oblique, margin entire, apex acuminate or obtusely acuminate. Flowers unisexual, dioecious, in few-flowered 0.75-1 cm cymes or single, axillary, minutely sparsely pilose. Sepals oblong, ca. 2 mm, densely tomentose on exterior. Petals broadly spatulate, apex slightly lobed or subentire. Glands 0.25-0.75 mm, rounded to cordate, glabrous to minutely pubescent. Ovary of female flower 2(or 3)-locular, densely yellow-brown pubescent. Abortive ovary of male flower densely white lanose; style 1, ± deeply lobed. Drupe: if 2 locules, all developed, obcordate, long and broad, ca. 1.8 cm; if only 1 locule, developed, obliquely elliptic, ca. 1.6 cm, densely yellow-brown pubescent when young, white pilose when mature, with distinct sutures on exterior. Fr. Jul-Oct.

Dense mountain forests; ca. 1500 m. Guangdong, Hainan, Yunnan [India, Indonesia, Malaysia, Myanmar, Philippines, Sri Lanka, Thailand, Vietnam].