Semecarpus nigroviridis Thwaites, Enum. Pl. Zeyl.: 76 (1858)

(Latin for 'dark-green')

Cassuvium cuneatum (Engl.) Kuntze
Cassuvium glaucum (Engl.) Kuntze
Cassuvium nigroviride Kuntze
Cassuvium obscurum (Thwaites) Kuntze
Semecarpus cuneatus Engl.
Semecarpus glaucus Engl.
Semecarpus intermedius Alston
Semecarpus laevigatus Thwaites ex Hook.f.
Semecarpus oblongifolius Thwaites
Semecarpus obscurus Thwaites
Semecarpus zeylanicus Blume

Understorey tree up to 17 m tall and 28 cm dbh. Stipules absent. Leaves alternate, simple, penni-veined. Flowers ca. 6.5 mm in diameter, white, placed in panicles. Fruits ca. 12 mm long, orange drupe with a cupule.

Undisturbed lowland forests up to 600 m altitude. Found on inundated places, peat swamp forests, hillsides and ridges. Rarely on limestone. Rather common in disturbed sites, such as gaps and road sides. Fruits have been seen eaten by birds.

From Sri Lanka and India to Borneo.

Local names
Borneo: Kerawas; Kelulut; Kraus; Rengas; Rengas manak; Rengas ayam.