棱萼酸浆 leng e suan jiang

Herbs annual, to 1 m tall, sparsely pubescent. Petiole 3-6 cm; leaf blade ovate, sometimes broadly so, 3-6 × 2.5-7 cm, membranous, sparsely pubescent along veins, base oblique, margin subentire or sparsely dentate, apex acuminate. Pedicel 4-10 mm. Calyx 4-7 mm; lobes linear-lanceolate, 2.5-3.5 mm, pubescent. Corolla pale yellow, spotted in throat, 6-8 × 4-8 mm in diam., apex pubescent abaxially, subtruncate. Anthers bluish green, 1.8-3 mm. Fruiting pedicel 1-2.5 cm. Fruiting calyx green, strongly 5-angled, turbinate, invaginated at base, glabrescent. Berry 1-1.4 cm in diam. Seeds straw colored, elliptic-discoid, 1.5-2 × 1-1.2 mm. Fl. and fr. Feb-Sep.

Disturbed sites. Hainan [North and South America].