Quercus elmeri Merr., Pl. El. Born. (1929)

Named after A.D.E. Elmer [1870-?], an American botanist and plant trader.

Emergent tree up to 56 m tall and 83 cm dbh. Stipules ca. 6 mm long. Leaves alternate, simple, penni-veined, petioles and lower surface hairy to densely hairy, margin usually toothed. Flowers ca. 3 mm diameter, brownish, placed in racemes. Fruits ca. 31 mm diameter, brown, nut with basal cupule.

In undisturbed mixed dipterocarp and sub-montane forests up to 1800 m altitude. Mostly on hillsides and ridges. Found on poor ultrabasic and sandy soils. In secondary forests usually present as a pre-disturbance remnant tree.

Peninsular Malaysia, Sumatra, Borneo (Sarawak, Sabah, West- and East-Kalimantan).

Local names
Borneo: Empili.