Not an accepted name (status: unknown).
The accepted name is
Ipomoea funis Cham. & Schltdl., 1830.
Ipomoea funis var. langlassei
(House) O'Donell, 1959
2% complete
No common name
Lilloa 29: 41 (1959)
There is no corrections for Ipomoea funis var. langlassei yet.