Mastixia pentandra Blume

Tree up to 37 m; d.b.h. up to 75 cm; branchlets slender or stout, scattered, subglabrous to puberulous. Leaves scattered, obovate, elliptic to oblong-elliptic, 4-16 by 2-8 cm, chartaceous to thick-coriaceous, subglabrous; base cuneate to attenuate; apex acute or acuminate to caudate; nerves 4-7(-9) pairs, distinct below; veins distinct below; petiole stout or slender, 1-4 cm. Inflorescence up to 8 cm, slender or stout, subglabrous to densely appressed-hairy, up to 3(-4) times branched; branches of the first order scattered; bracts either all triangular, under 3 mm, or lower ones lanceolate, up to 15 mm; basal inflorescence axes of the first order subtended by ordinary bracts or by leaves. Submature flower bud up to 3½ mm ø-Sepals 4 or 5, broader than long or as long as broad, thick, puberulous, to appressed-hairy. Petals 4 or 5, thick, glabrous to appressed-hairy. Stamens 4-5. Ovary puberulous to appressed-hairy. Fruit ovoid to oblong, 2¼-3½ by l-l¼ cm; persistent disk conspicuous or not; sepals inconspicuous.