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

2. Bischofia polycarpa (H. Léveillé) Airy Shaw, Kew Bull. 27: 271. 1972.

重阳木 chong yang mu

Celtis polycarpa H. Léveillé, Repert. Spec. Nov. Regni Veg. 2: 296. 1912; Bischofia racemosa Cheng & D. Chu.

Trees to 15 m tall, 50(-100) cm d.b.h., deciduous, glabrous throughout; bark brown, ca. 6 mm thick, longitudinally fissured; older branches brown, lenticels rusty; branchlets green, lenticels gray-white. Leaves palmately 3-foliolate; stipules small, caducous; petiole 9-13.5 cm; terminal petiolule 1.5-4(-6) cm, lateral petiolules 3-14 mm; terminal leaflets usually larger than bilateral ones; leaflet blades ovate or elliptic-ovate, sometimes oblong-ovate, 5-9(-14) × 3-6(-9) cm, papery, base rounded or shallowly cordate, apex acute or shortly acuminate, margins with 4 or 5 teeth per cm. Plants dioecious. Inflorescences pendent racemes, on lower parts of previous year branches, generally appearing in spring, male inflorescences 8-13 cm, female 3-12 cm. Male flowers: sepals semiorbicular, membranous, spreading; filaments short; pistillode prominent. Female flowers: sepals as in male, with white membranous margin; ovary 3- or 4-locular; styles 2 or 3, entire. Fruits globose, 5-7 mm in diam., brown-red when mature. Fl. Apr-May, fr. Oct-Nov.

● Evergreen forests, often widely planted; 200-1000 m. Anhui, Fujian, N Guangdong, Guangxi, Guizhou, Hunan, Jiangsu, Jiangxi, Shaanxi, Yunnan, Zhejiang.

The wood of Bischofia polycarpa is used for furniture, vehicles, bridges, and structural timbers. The fruits are mostly used for the production of distilled liquors. The seeds yield 30% oil, which is used for lubrication.


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