Anisoptera costata Korth., Kruidk. (1841)
Latin for 'with clear venation'.

Synonyms
Anisoptera cochinchinensis Pierre, Anisoptera glabra (non Kurz) Pierre, Anisoptera marginatoides Heim., Anisoptera mindanensis Foxw., Anisoptera oblonga Dyer, Anisoptera robusta Pierre, Dipterocarpus parallelus Korth. ex Burck, Dryobalanops hallii Korth., Shorea nervosa Kurz

Description
Emergent tree up to 67 m tall and 152 cm dbh. Stem with resin. Twigs slightly scaly. Stipules ca. 8 mm long. Leaves alternate, simple, penni-veined. Flowers ca. 13 mm in diameter, green-whitish, placed in panicles. Fruits ca. 10 mm long, green, nut with 2 large wings (160 mm long), wind dispersed.

Ecology
In undisturbed mixed dipterocarp forests up to 300 m altitude. Usually growing on ridges with sandy to clayey soils, sometimes along rivers. Occasionally found on limestone. In secondary forests usually present as a pre-disturbance remnant tree.

Uses
Plywood.

Distribution
Indo-China, Birma, Thailand, Peninsular Malaysia, Sumatra, Java, Borneo (Sarawak, Brunei, Sabah, Central-, South- and East-Kalimantan), Philippines.

Local names in Borneo
Baripung, Damar ketimpun, Damar tingkis, Katimpun, Kenuar, Laripung, Merlangat, Mersawa, Pengiran, Tempudau.