Lasianthus constrictus Wight, Calc. J. Nat. Hist. 6 (1846)

Latin for 'constricted'.

Lasianthus constrictus var. latifolius Craib
Mephitidia constricta (Wight) Walp.
Nonatelia constricta (Wight) Kuntze

Shrub up to 3 m tall and 6 cm dbh. Stipules ca. 3 mm long, triangular. Leaves opposite, simple, penni-veined, glabrous to slightly hairy. Flowers ca. 5 mm diameter, white-yellowish, with corolla tube, placed in axillary bundles. Fruits ca. 8 mm diameter, blue-purple, berries.

In undisturbed mixed dipterocarp, keranga and sub-montane forests up to 1400 m altitude. Common along rivers and streams, but also on hillsides and ridges. On sandy to clay soils, also on ultramafic. In secondary forests usually present as a pre-disturbance remnant.

Burma, Thailand, Peninsular Malaysia, Sumatra, Java, Borneo (throughout the island).