Botany
Tañgisang-bayauak is a tall, spreading tree, with pale bark. Leaves are broadly or elliptic-ovate, 10 to 17 cm long, the base rounded, notched or heart-shaped and the tip tapering to a point, with the margins entire, subexpanded or toothed. Receptacles are about 1 cm in diameter, red when ripe, and clustered on long branches.

Distribution
- Common in primary forests at low and medium altitudes from Cagayan to Sorsogon in Luzon, in Palawan and Mindanao.
- Also occurs in the Malay Peninsula and Archipelago and in southern China.

Parts used
Leaves, bark, latex.

Uses
Culinary
In Java the young shoot-tips and young fruits are eaten raw or cooked.
Folkloric
- In the Philippines fresh leaves are applied as topical in boils.
- In Malaya, the bark, reportedly sweet, is chewed or used in decoction for dysentery.
- Latex of the bark used as a coat over wounds.
- In Pakistan, paste prepared from fresh milky juice of the plant mixed with milk is applied to boils and affected skin three times daily.

Availability
Wild-crafted.