Ardisia macrocalyx Scheff., Comm. Myrs. Archip. Ind. (1867)

Synonyms
Ardisia hosei Merr.
Tinus macrocalyx (Scheff.) Kuntze

Description
Shrub up to 7 m tall and 13 cm dbh. Stipules absent. Leaves alternate, simple, penni-veined but barely visible, glabrous. Flowers ca. 12 mm diameter, white-pinkish-reddish, placed in panicles. Fruits ca. 9 mm diameter, pink-red-purple, fleshy drupes with large persistent calyx lobes.

Ecology
In undisturbed to slightly disturbed (open) mixed dipterocarp and peat-swamp forests up to 600 m altitude. Mostly on hillsides and ridges, occasionally on alluvial sites near or along rivers and streams. Once collected on ultramafic soil. In secondary forests usually present as a pre-disturbance remnant.

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

Local names
Borneo: Marpingam, Merjemah, Merjimah, Serusop.