Platanus kerrii is an evergreen tree, native to Southeast Asia

Southeast Asia

Southeast Asia, South-East Asia, South East Asia or Southeastern Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea and north of Australia. The region lies on the intersection of geological plates, with heavy seismic...

. The leaves are elliptical to lanceolate. The fruits are borne in globose heads, each of which is sessile on a long peduncle. There are up to 12 heads on a peduncle.

It differs from other species in the genus in being a tropical plant, evergreen

Evergreen

In botany, an evergreen plant is a plant that has leaves in all seasons. This contrasts with deciduous plants, which completely lose their foliage during the winter or dry season.There are many different kinds of evergreen plants, both trees and shrubs...

, having unlobed leaves

Leaf

A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

, and in the leaf stem not enclosing the axillary bud at its base. The bark flakes off as with other species, and the trunk of a mature tree appears similar to that of the other species.

It is sometimes placed in its own subgenus casteneophyllum, and it has been proposed that this species should be separated out into its own genus.

The plant is named after A. F. G. Kerr

Arthur Francis George Kerr

Arthur Francis George Kerr was an Irish medical doctor. He is known particularly now for his botanical work, which was important for the study of the flora of Thailand....

, who collected the type specimen in Laos in 1932.