Grewia laevigata Vahl., Symb. Bot. 1 (1790)

Latin for 'hairless'.

Synonyms
Grewia acuminata Juss.
Grewia mallococa Blanco
Grewia multiflora Blanco
Grewia odorata Blume
Grewia ovalifolia Juss.
Grewia pedicellata Roxb.
Grewia scabrida Wall. ex Kurz
Grewia umbellata DC
Leptonychia acuminata Burret
Mallococca parva Blanco

Description
Understorey tree or climber up to 14 m tall and 13 cm dbh. Stipules ca. 1 mm long. Leaves alternate, simple, tripli-veined, densely stiff hairy (sand-paper like), margin toothed. Flowers ca. 30 mm diameter, white-yellow-orange-red, petals curled, flowers in panicles. Fruits ca. 13 mm diameter, red drupes.

Ecology
In rather heavily disturbed regrowth forests or in open places in coastal, mixed dipterocarp and sub-montane forests up to 1700 m altitude. Common on alluvial sites, hillsides and ridges with sandy soils. Also on limestone.

Uses
The leaves are used medicinally.

Distribution
From Indo-China and Thailand to New Guinea. In Borneo collected throughout the island.

Local names
Borneo: Akar gerigu, Akar lapit, Karai, Lapion, Sumpit babi, Tanchot.