青背叶算盘子 qing bei ye suan pan zi

Phyllanthus thomsonii Müller Argoviensis, Flora 48: 375. 1865; Diasperus thomsonii (Müller Argoviensis) Kuntze; Glochidion rubidulum T. L. Chin.

Shrubs ca. 3 m tall, monoecious, glabrous throughout; branchlets terete, ± angular. Stipules ovate-triangular, ca. 3 mm, thick, hard when dry; petiole 2-3 mm; leaf blade oblong or elliptic, 5-13 × 2.5-4 cm, leathery, green and smooth adaxially, bluish glaucous abaxially when dry, base obtuse, inequilateral, apex acuminate to obtuse; midvein and 6-9-paired lateral veins slightly elevated and reddish. Flowers in bisexual clusters, male 1-3 and female many mixed in axils. Male flowers: pedicels slender; sepals 6, elliptic, equal; stamens 3, connate. Female flowers: pedicels shorter; sepals 6, elliptic-ovate; ovary depressed globose, 3- or 4-locular; style column obovate, ca. 2 mm. Fruiting pedicels ca. 5 mm; capsules depressed globose, 1-1.5 cm in diam., apex depressed and with a persistent obovate style column; style columns shallowly 4- or 5-fid at apex. Seeds red. Fl. Aug-Oct, fr. Oct-Dec.

Secondary forests, roadside scrub; 1200-1700 m. SE Xizang [NE India].