Cyathocalyx magnifica Diels, Mitt. Ins. Bot. Hamburg 7 (1927)
(Latin for 'magnificent')

Description
Sub-canopy tree up to 24 m tall and 26 cm dbh. Stipules absent. Leaves alternate, simple, penni-veined, usually large and quite hairy. Flowers with ca. 23 cm long petals, green-white-yellowish, placed solitary or in few flowered bundles. Fruitlets ca. 25 mm long, green with brownish hairs, placed in apocarp, each fruitlet with several seeds.

Ecology
Undisturbed forests up to 1350 m altitude. Quite often found on or near limestone areas. Usually on hillsides and ridges. In secondary forests usually present as a pre-disturbance remnant.

Distribution
Borneo (Sarawak, Brunei, Sabah, West- and East-Kalimantan).

Local names in Borneo
Pendok; Penduk jugam.