Grewia laevigata Vahl., Symb. Bot. 1 (1790)
Latin for 'hairless'.

Synonyms
Grewia acuminata Juss., Grewia pedicellata Roxb., Grewia umbellata DC

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 in Borneo
Akar gerigu, Akar lapit, Karai, Lapion, Sumpit babi, Tanchot.