Description from Flora of China
Ipomoea paniculata N. L. Burman, Fl. Indica 50. 1768; Convolvulus parviflorus Vahl; C. violaceus Vahl; Jacquemontia parviflora (Vahl) Roberty.
Leaf blade ovate or ovate-oblong, 3-8 2-5 cm, base cordate or rounded to truncate, apex acuminate, mucronulate, rarely acute or obtuse. Inflorescences often many flowered.
Fang and Huang (Fl. Reipubl. Popularis Sin. 64(1): 46. 1979) incorrectly listed Jacquemontia violacea (Vahl) Choisy, based on Convolvulus violaceus Vahl, as a synonym for J. paniculata. Jacquemontia violacea is a synonym of J. pentantha (Jacquin) G. Don,
a West Indian species introduced to Asia as an ornamental but not known to be in China.
Thickets, grassy areas, forest clearings, roadsides, often on dry soils; 0-600 m. Guangdong, Guangxi, Hainan, Taiwan, Yunnan [Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, New Guinea, Philippines, Sri Lanka, Thailand, Vietnam; Africa, Australia, Pacific Islands]