This order has two families and about 3,700 species. There are about 3000 species in this family, most of them are herbs. They have thick clusters of tiny five-petalled flowers. Most plants in this family grow in the Northern Hemisphere in temperate regions.
Leaves usually alternate and are feathery.
There are 700 species of shrubs, vines, trees and herbs in this family. Most are found in centred in Southeast Asia and tropical America. Plants include ginseng, English ivy, and the rice-paper plant.