凹萼木鳖(原亚种) ao e mu bie (yuan ya zhong)

Momordica eberhardtii Gagnepain; M. laotica Gagnepain.

Stems slender. Leaf blade puberulent at first on both surfaces, glabrescent. Bract of male flower 10-20 × 10-20 mm. Calyx segments ovate-oblong, pubescent, apex obtuse, retuse. Fruit ovoid or ovoid-oblong, 3-5 cm, longitudinally sulcate, not verrucose, glabrous or almost so. Fl. Jun-Aug, fr. Aug-Oct.

Mountain slopes, roadsides; 800-1500 m. Guangdong, Guangxi, Guizhou, Yunnan [Indonesia, Laos, Malaysia, Myanmar, Thailand, Vietnam].