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 ¡À 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).
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