1. Euphorbiaceae (大戟科)
2. Phyllanthodendron (珠子木属)
3. Phyllanthodendron orbicularifolium (圆叶珠子木)

Phyllanthus orbicularifolius (P. T. Li) Govaerts & Radcliffe-Smith.

Shrubs ca. 3.5 m tall, monoecious, glabrous throughout; stem dark brown; branches terete. Stipules oblong, 3-5 mm, caducous; petiole ca. 5 mm; leaf blade orbicular or rotund, 3.5-6.5 × 3-5.5 cm, leathery, red when young, lucid green at maturity, base shallowly cordate or rounded, apex rounded, mucronulate; midrib flattened or slightly retuse adaxially, elevated abaxially, lateral veins in 5 or 6 pairs, reticulate veins raised on both surfaces, anastomosing before margins. Inflorescences 1-flowered. Male flowers: pedicel ca. 2 mm; sepals 5 or 6, oblong-lanceolate, ca. 4 × 1.5 mm, yellow-white, slightly concave inside, midrib elevated abaxially; disk segments 5 or 6, ligulate; stamens 3; filaments connate into a terete column; anthers oblong-ellipsoid, connectives lanceolate. Female flowers: sepals and disk segments 6, shaped as in male; persistent in fruit; ovary ovoid, 3-locular; styles 3, bifid to near base. Fruiting pedicels ca. 7 mm; capsules subglobose, ca. 1.3 cm in diam., brownish, smooth, endocarp yellowish. Seed obscurely 3-angled, ca. 5 × 3 mm, chestnut. Fl. and fr. Aug-Dec.

700-800 m. Guangxi.