Not an accepted name (status: unknown).
The accepted name is
Ipomoea obscura (L.) Ker Gawl., 1817.
Ipomoea obscura var. sagittifolia
Verdc., 1958
2% complete
No common name
Kew Bull. 13: 210 (1958)
There is no corrections for Ipomoea obscura var. sagittifolia yet.