Traditionally included in the family Tiliaceae, it is included in the expanded Malvaceae in the APG and most subsequent systematics.
It contains some species formerly in the (not too closely related) genus Pentace.
[1] These are deciduous or semi-evergreen trees with heart-shaped leaves and winged capsules.
[2] This genus is native to and distributed in Asia, from southern China to Vietnam, Myanmar, and Thailand.
[3][4] Species include:[3][5][4] This Malvaceae article is a stub.