10. Ziziphus fungii Merrill, Lingnan Sci. J. 13: 61. 1934.
褐果枣 he guo zao
Shrubs scandent, to 5 m tall. Young branches ferruginous pilose; older branches black-purple or purple-red, sparsely pilose, with conspicuous lenticels. Stipular spine 1, hooklike recurved, 3-5 mm, ferruginous pilose, base broad and compressed; petiole 5-7 mm, sparsely or densely ferruginous pubescent; leaf blade adaxially green, turning brown when dry, ovate-elliptic, ovate, or ovate-oblong, 6-13 × 3-5.5 cm, papery, abaxially densely ferruginous pubescent or sparsely pubescent on major veins, adaxially with pilose midvein at first, glabrescent, 3-veined from base, midvein with 2 or 3 conspicuous pairs of secondary veins, prominent abaxially, impressed adaxially, base subrounded, asymmetric, margin inconspicuously serrulate, apex acuminate or shortly acuminate. Flowers yellow-green, in axillary dichotomous cymes or terminal cymose panicles; rachis, pedicels, and calyx densely ferruginous pubescent; peduncles 6-10 mm. Sepals triangular, abaxially densely pubescent. Petals absent. Disk thick, fleshy, 5-lobed. Drupe globose, to 1.5 cm, ferruginous pubescent, gradually glabrescent, with persistent calyx tube at base; endocarp ca. 1 mm thick; stone 1- or 2-loculed, with 1 or 2 seeds; fruiting pedicel 4-5 mm, pilose. Seeds reddish brown, reniform, 8-9 mm. Fl. Feb-Apr, fr. Apr-May.
● Sparse forests; below 1600 m. Hainan, S Yunnan.