Mastixia trichotoma var. trichotoma Blume

Branchlets rather slender, yellowish, puberulous to velutinous. Leaves elliptic to oblong, 5-15 by 3-8 cm, chartaceous to subcoriaceous, subglabrous to puberulous; base cuneate to attenuate; apex acute to acuminate; nerves 5-8 pairs, prominulous to prominent below, seldom arcuate; petiole l¼-2(-2½)cm, rather slender. Inflorescence up to 8 cm, compact, branched 3(-4) times, villous to woolly; basal bracts under 5 mm; terminal bracts often deeply boat-shaped. Sepals 4. Petals 4. Stamens 4. Fruit elongate-ovoid, 1½-3 by l-l½ cm; persistent disk inconspicuous; sepals prominent.

In primary forest from low altitude up to 1800 m. Fl. May-Jan.; fr. July-March. Galls occur on stem and fruit.