What is "ichnocarpus"

Ichnocarpus is a genus of plant in family Apocynaceae first described as a genus in 1810. It is native to China, the Indian Subcontinent, + Southeast Asia.

• Ichnocarpus frutescens (L.) W.T.Aiton - Fujian, Guangdong, Guangxi, Guizhou, Hainan, Yunnan, Bangladesh, Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, New Guinea, Pakistan, Philippines, Sri Lanka, Thailand, Vietnam, N Australia
• Ichnocarpus fulvus Kerr - Thailand, Vietnam
• Ichnocarpus uliginosus Kerr - N Thailand