Not an accepted name (status: unknown).
The accepted name is
Ipomoea involucrata P.Beauv., 1816.
Ipomoea involucrata var. burttii
Verdc., 1958
2% complete
No common name
Kew Bull. 13: 206 (1958)
There is no corrections for Ipomoea involucrata var. burttii yet.