Quercus argentata Korth., Kruidk. (1844)

Synonyms
Cyclobalanopsis argentata (Korth.) Oerst
Lithocarpus argentata (Korth.) Merr.
Quercus argentata var. concolor Blume
Quercus pinanga Blume
Quercus wilhelminae von Seemen
Synaedrys wilhelminae (von Seemen) Koidz

Description
Upper canopy tree up to 42 m tall and 82 cm dbh. Stipules ca. 4 mm long. Leaves alternate, simple, penni-veined, glabrous, with long petioles. Flowers ca. 3 mm diameter, green-yellow-brown, placed in racemes. Fruits ca. 25 mm diameter, green-yellow-brown, nut with basal cupule.

Ecology
On slightly exposed places in mixed dipterocarp and sub-montane forests up to 1800 m altitude. Along rivers and ridges with sandy soils. In secondary forests usually present as a pre-disturbance remnant tree.

Uses
The wood is used.

Distribution
Peninsular Malaysia, Sumatra, Java, Borneo (Sarawak, Sabah, West-, Central-, South- and East-Kalimantan).

Local names
Borneo: Mempening, Palan asing, Palan ugu, Paning-paning.