English: Smooth helicia; Pale helicia; Pale oak; Leather oak; Brown oak.
Japanese: Yama-mogashi.
Genus: 110 species.
Region: tropical South and Southeast Asia, India, Sri Lanka, Indochina, Malaysia, New Guinea; Australia, New South Wales.
Habitat: forests, rainforests; prefer richer soils, basalt.
BotanyTrees and shrubs; up to as tall as the sub-canopy; slow growing.
Flowers: not prominent.
Fruit: not prominent.