ipomoea Turpethum, R. Br.
"The Medicinal Plants of the Philippines"
T. H. Pardo de Tavera
They came home with new wealth untold every day- of ipomoea, convolvulus, passion-flowers, and orchids.
"The-Brick-Moon-and-Other-Stories"
Hale, Edward Everett
ipomoea purpurea may be quoted as an example.
"Darwin and Modern Science"
A.C. Seward and Others