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FOC | Family List | FOC Vol. 11 | Euphorbiaceae | Phyllanthodendron

3. Phyllanthodendron petraeum P. T. Li, Bull. Bot. Res., Harbin. 7(3): 4. 1987.

岩生珠子木 yan sheng zhu zi mu

Phyllanthus guangxiensis Govaerts & Radcliffe-Smith (1996), not Phyllanthus petraeus Beille (1908).

Shrubs ca. 3 m tall, monoecious, glabrous throughout; stem gray-brown; branches usually apically clustered, terete. Stipules caducous; petiole 3-7 mm; leaf blade obovate, 3-5 × 2-3.5 cm, papery, base cuneate or broadly so, apex rounded, mucronulate; midrib flattened adaxially, slightly elevated abaxially, lateral veins in 6 or 7 pairs, raised above, flattened beneath, anastomosing before margins. Inflorescences 1-flowered. Male flowers: pedicel ca. 2 mm; sepals 6, oblong-lanceolate, ca. 5.5 × 2 mm, midrib elevated abaxially; disk segments 6, spatulate; stamens 3; filaments connate into a terete column; anthers oblong, connectives subulate. Female flowers: pedicel ca. 5 mm; sepals and disk as in male; persistent in fruit; ovary globose, 3-locular; styles 3, short, bifid to middle. Fruiting pedicels ca. 5 mm; capsules globose, ca. 5 mm in diam., smooth. Fl. May-Aug, fr. Jul-Nov.

● Limestone scrub; ca. 1000 m. SW Guangxi.


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