Description from Flora of China
Porana paniculata Roxburgh, Pl. Coromandel 3: 31. pl. 235. (1815) 1819; Dinetus paniculatus (Roxburgh) Sweet.
Climbers; indumentum grayish to dull yellow. Stems puberulent, glabrescent. Petiole 2.6-10.8 cm; leaf blade cordate-circular, 7.5-16.5 X 5.3-15 cm, smooth to rugulose, abaxially silvery villous. Panicle crowded; bracts cordate. Pedicel 2-4 mm, elongating in fruit. Flowers (4-)5-6(-7) mm. Sepals lanceolate-linear, flat or concave, equal, 1-2 mm, tomentose-villous abaxially. Fruiting calyx tan, reddish, or pale brown, loosely clasping; outer 3 sepals elliptic-oblong to narrowly ovate, 1.6-2.2(-2.4) cm X 7-9 mm, puberulent, margin free. Corolla white to cream, narrowly funnelform; limb (3-)5-7 mm in diam., 5-lobed. Stamens included, ± equal; filaments glabrous. Disc absent or ringlike. Ovary glabrous. Style obsolete; stigma subsessile. Fruit tan to brownish with darker lines, globose-ellipsoid, 5-6(-7) X 4-5 mm, pubescent, apiculate. Seeds dark brown, globose-ellipsoid, 4-6 X 3-5 mm, glabrous. Fl. Oct-Dec, fr. Mar-Apr. 2n = 26.
Widely though sparingly cultivated in tropical and subtropical regions, including Yunnan. A single seemingly indigenous collection from the Chinese side of the border between Xizang and Arunachal Pradesh, NE India, has been seen.
Various soils, forests, thickets, scrub, open plains, often around human habitation; 0-2000 m. Xizang, Yunnan [Bhutan, India,
Myanmar, Nepal, Pakistan]