Copyright 1998-2017 Yoshiaki Yoneda
Corolla, bluish-purple; flower tube white.  Flowers, ca. 8 cm in diameter (a little bigger than the flowers of Ipomoea nil). The vines grow well and propagate vegetatively.   The leaves are mostly cordate type, but the three-lobed type is also observed as shown is this figure.  In addition, there is a mixed type of cordate and three-lobed leaves, too.   
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 1 x 1 |  4 x 4 | |
|  2 x 2 | ||
|  8 x 8 |  16 x 16 | 
1 x 1 (thumbnail images) : For indexing 2 x 2, 4 x 4, 8 x 8 : For viewing on monitor 8 x 8, 16 x 16 : For printing