Ipomoea trichocarpa ("Imonenohoshiasagao")

Japanese name: イモネノホシアサガオ （芋根星朝顔）
Scientific name: Ipomoea trichocarpa

[Overview]
A climbing perennial with tuberous roots.
The vines are hairy, branch well, grow to several meters, and twine around other plants.
The leaves are alternate, heart-shaped, sometimes 3-lobed, with an abruptly pointed tip.
The leaf margins are entire.
The flowers grow in the leaf axils and are funnel-shaped, 2.5–4 cm across.
The flowers are pale reddish purple with a darker reddish purple center.
The fruit is a capsule.

[History]
It has been confirmed to be naturalized in warm regions.

View this page in Japanese (日本語)