Glochidion superbum Baill., Etude Euphorb. (1848)

Latin for 'proud' or 'magnificent'.

Synonyms
Bradleia finlaysoniana Wall.
Glochidion dasyphyllum Miq. [Illegitimate]
Phyllanthus finlaysonianus Wall. [Invalid]
Phyllanthus superbus (Baill.) Mull.Arg.

Diagnostics
Sub-canopy tree up to 23 m tall and 28 cm dbh. Stipules ca. 8 mm long, very narrow. Leaves alternate, simple, penni-veined, densely hairy below, base strongly (unequal) cordate. Flowers ca. 3.5 mm diameter, green-whitish, placed in short stalked axillary bundles. Fruits ca. 3 mm long, white-pink-purple, dehiscent capsules, seeds with orange aril.

Description
Treelets up to 23 m high, dbh up to 28 cm; flowering twigs up to 5 mm thick; mainly densely pilose all over. Leaves: stipules linear, 6-10 by c. 0.3 mm, caducous; petiole 2.5-7 mm long; blade ovate, 9-26.2 by 5-9.8 cm, length/width ratio 1.8-2.2, coriaceous, base strongly oblique (to almost symmetric), cordate, margin recurved, apex acuminate, less hairy on upper surface than underneath, upper surface dull dark green, lower surface pale light green; venation depressed above, raised below, nerves 13-15 per side, veins reticulate. Inflorescences supra-axillary, fascicles on an up to 7 mm long peduncle, latter often inconspicuous, more than 10 pistillate flowers, latter flowering before staminate flowers. Flowers whitish yellow, sepals 6, fee. Staminate flowers 3.8-5.3 mm in diameter; pedicel 15.5-20.5 mm long, subglabrous, light yellowish; sepals stiff, ovate, keeled and thickened in middle, outer ones 2.7-4.3 by 1-1.6 mm, inner ones 2.3-3.7 by 0.8-1.1; stamens 3, androecium 1.2-1.8 mm long, anthers 0.8-1.1 mm long, connective teeth 0.2-0.5 mm long. Pistillate flowers not seen in young stage; pedicel 5-12 mm long in fruit, light yellowish; sepals triangular, plicate and thickened in middle, light yellowish, outer ones 2-3.1 by 0.7-1.2 mm, inner ones 1.7-2.2 by 0.5-0.8 mm; ovary 3-locular; stigmas in a cone, 0.7-1.1 mm long, apically coarsely 3-toothed. Fruits globose, apically somewhat flattened, 6-7.5 by 5-5.5 mm, not lobed, sutures indistinct, white or green turning red to purple; wall very thin; column 2.9-3.2 mm long, slender. Seeds 3-4.5 by 2.8-3 mm, orange. [from Flora Malesiana]

Ecology
Mainly on disturbed or open sites in mixed dipterocarp and keranga forests up to 1000 m altitude. Often found along roadsides and forest edges, but also on open places on hillsides and ridges.

Distribution
Thailand, Peninsular Malaysia, Sumatra, Java, Borneo.

Local names
Borneo: Mayam, Nyam, Tebangau.
Thailand: Mok man (Peninsular).