1. Euphorbiaceae (大戟科)
2. Phyllanthodendron (珠子木属)
3. Phyllanthodendron breynioides (龙州珠子木)

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

Erect shrubs 1-3 m tall, monoecious; branches angular, dark gray, pubescent, internodes shorter than leaf blade. Leaves distichous; stipules lanceolate, ca. 2 mm; petiole 1-2 mm, pubescent; leaf blade ovate to oblong, 1-3 × 0.5-1.5 cm, papery to thickly so, abaxially greenish, adaxially dark green, base obliquely rounded to shallowly cordate; midrib slightly elevated on both surfaces, lateral veins in 5-7 pairs, flattened on both surfaces. Inflorescences 1-flowered, with many bracteoles at base. Male flowers: pedicel ca. 5 mm; sepals 6, oblong-lanceolate, ca. 3.5 × 1-1.5 mm, yellow, apex caudate, midrib elevated abaxially; disk segments 6, linear, ca. 2 mm; stamens 3; filaments connate into a terete column; anthers oblong, connectives lanceolate, as long as thecae. Female flow ers: pedicel ca. 6 mm, bracteolate at base; sepals and disk as in male; ovary globose, ca. 1 mm in diam., 3-locular; styles 3, connate at base. Capsules globose, ca. 1 cm in diam. Fl. Jul-Aug, fr. Aug-Dec.

Sparse lowland forests, limestone scrub; 400-600 m. SW and W Guangxi (Debao, Longzhou).