2. Gymnopetalum scabrum (Loureiro) W. J. de Wilde & Duyfjes, Reinwardtia. 12: 268. 2008.
风瓜 feng gua
Trichosanthes scabra Loureiro, Fl. Cochinch. 2: 589. 1790; Cucumis integrifolius Roxburgh; Gymnopetalum integrifolium (Roxburgh) Kurz; G. integrifolium var. penicaudii (Gagnepain) W. J. de Wilde & Duyfjes; G. leucostictum Miquel; G. monoicum Gagnepain; G. monoicum var. incisum Gagnepain; G. penicaudii Gagnepain; G. scabrum var. penicaudii (Gagnepain) W. J. de Wilde & Duyfjes; Trichosanthes integrifolia (Roxburgh) Kurz.
Plants annual. Stem and branches slender, villous. Petiole 1.5-3 cm, densely villous; leaf blade reniform or ovate-cordate, 6-8 × 6-8 cm, papery, undivided or undulate 3-5-lobed; lobes triangular, both surfaces scabrous, setose and villous, base cordate, margin serrate, apex obtuse. Plants monoecious. Male flowers solitary, or in a raceme; peduncle 4-6 cm, densely villous; bracts leaflike, divided, densely yellow-brown villous; calyx tube 1.5-2 cm; segments lanceolate, ca. 8 mm; corolla segments obovate, 18-20 × 10-12 mm; filaments ca. 0.4 mm. Female flowers solitary; pedicels 10-15 mm, densely villous; calyx and corolla as in male flowers; ovary ovoid-globose, ca. 10 mm, villous. Fruit orange-red when mature, subglobose, 2-3 cm in diam., smooth, not ribbed. Seeds narrowly oblong, ca. 9 × 3-3.5 mm, ca. 1.5 mm thick, both surfaces smooth, both ends obtuse. Fl. Jun-Sep, fr. Sep-Nov.
Mountain slopes and herbage; 400-800 m. Guangdong, Guangxi, Guizhou, Hainan, Yunnan [Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Philippines, Sri Lanka, Thailand, Vietnam].