滇黄瓜 dian huang gua

Plants slender, probably annual, scandent. Stems and branches sparsely to densely minutely aculeate-hispid. Tendrils simple, sparsely aculeate. Petiole 3-5 cm; leaf blade subcircular in outline, 4-7 × 4-7 cm, 3-5-angular or -lobed, margin coarsely serrate-dentate; lobes broadly triangular, base deeply cordate, apex acute. Plants monoecious. Male flowers solitary or paired; calyx tube turbinate-campanulate, 5.5-6 mm; segments linear, ca. 3 mm; corolla ?yellow; segments elliptic 4-6 × ca. 3 mm; filaments slender, ca. 0.5 mm; anthers 2.5-3 mm. Female flowers solitary, sometimes coaxillary with male flowers; pedicels 30-35 mm; calyx and corolla probably similar to male flowers, details unknown. Fruit green, obovoid, sparsely obscurely tuberculate. Seeds unknown. Fl. and fr. Sep.

Yunnan [N Vietnam (ca. 1400 m)].