Goniothalamus ridleyi King, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 61(2): 76 (1892)

Named after Henry Nicholas Ridley [1855-?], director of Singapore Botanical Garden [1888-1911].

Goniothalamus fasciculatus Boerl.
Goniothalamus prainianus King
Goniothalamus prainianus var. angustipetalus King

Sub-canopy tree up to 30 m tall and 77 cm dbh. Stipules absent. Leaves alternate, simple, penni-veined. Flower petals ca. 13 mm long, reddish-brown, placed cauliflorous at the base of the trunk. Fruitlets ca. 30 mm long, red, fleshy, placed in apocarp, each fruitlet with several seeds.

Undisturbed forests up to 1500 m altitude. Usually on hillsides and ridges. In secondary forests usually present as a pre-disturbance remnant.

The fragrant bark is burned to drive away ghosts. It is also used to treat stomach-ache.

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

Local names
Borneo: Tuhob.