Glochidion glomerulatum (Miq.) Boerl., Handl. 3, 1 (1900)

Latin for 'bundle of flowers'.

Agyneia glomerulata Miq.
Bridelia heterantha Wall. [Invalid]
Diasperus glomerulatus (Miq.) Kuntze
Diasperus heteranthus Kuntze
Diasperus nanogynus (M¨šll.Arg.) Kuntze
Glochidion nanogynum (Mull.Arg.) Hook.f.
Glochidion palustre Koord.
Phyllanthus glomerulatus (Miq.) Mull.Arg.
Phyllanthus nanogynus Mull.Arg.

Shrubs to small tree up to 8 m tall and 6 cm dbh. Stipules ca. 2 mm long. Leaves alternate, simple, penni-veined, glabrous to slightly hairy. Flowers ca. 3 mm diameter, white-yellowish, placed in axillary bundles. Fruits ca. 4 mm long, reddish-orange, dehiscent capsules, seeds with red aril.

Shrubs to treelets up to 8 m high, dbh up to 6 cm; branches drooping, flowering twigs c. 2 mm thick; mainly glabrous all over. Leaves: stipules deltoid, c. 2.3 by 1.5 mm, acute, stiff, caducous; petiole 5-7 mm long; blade ovate to elliptic, 6.1-13 by 2.3-4.7 cm, length/width ratio 1.4-2.8, papery to subcoriaceous, base strongly asymmetric, long attenuate along whole petiole, margin flat, apex acuminate, mucronate, both surfaces glabrous, venation flat above, slightly raised underneath, indistinct, nerves 9-11 per side, veins reticulate. Inflorescences fascicles with either 3-10 pistillate flowers or a mixture of a few staminate and many more pistillate flowers. Flowers pale green; sepals 6, free. Staminate flowers c. 4.2 mm in diameter, pedicel 2.5-6.2 mm long, glabrous to hirsute; sepals ovate to elliptic, outer ones 2.5-3.5 by 0.9-1 mm, inner ones 2.5-3.3 by 0.7-0.9 mm; stamens 3, androecium 1.2-1.6 mm long, anthers 0.9-1.2 mm long, light yellow to grey, connective teeth 0.2-0.3 mm long. Pistillate flowers 2.5-4 mm in diameter; pedicel absent to up to 1.4 mm in fruit; sepals ovate to elliptic, outer ones 0.9-1.2 by 1-1.1 mm, inner ones 1.3-1.5 by c. 0.8 mm; ovary 6-locular, 1.4-3.7 by 1-2 mm high, densely pilose; stigmas in a cone 1.3-1.8 by 0.6-0.8 mm high. Fruits slightly lobed, circular, flattened, c. 5 by 3.2 mm high, red to brown, sutures indistinct, always hairy, glabrescent; wall thin; column c. 1.1 by 0.7 mm, only basal triangle left. Seeds 2.5-2.6 by 1.5-2 by c. 2 mm, brown. [from Flora Malesiana]

In undisturbed to slightly disturbed mixed dipterocarp, freshwater swamp and sub-montane forests up to 1700 m altitude. Often along rivers and alluvial sites but also on hillsides and ridges with sandy to clay soils.

The leaves are used as an ingredient to dye rattan black.

Indo-China, Thailand, Peninsular Malaysia, Sumatra, Java, Borneo.

Local names
Borneo: Dampol, Kayu julot, Manyam, Obar nasi, Salman.
Thailand: Ka thin (Yala), Rot nam (Surat Thani).