Not an accepted name (status: unknown). The accepted name is Ipomoea cairica (L.) Sweet, 1826.

Ipomoea cairica var. gracillima (Collett & Hemsl.) C.Y.Wu, 1965 2% complete

No common name

Rep. Yunnan Trop. Subtrop. Fl. Res. Inst. 1: 120 (1965)

There is no corrections for Ipomoea cairica var. gracillima yet.