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FOC | Family List | FOC Vol. 11 | Anacardiaceae | Rhus

4. Rhus hypoleuca Champion ex Bentham, Hooker’s J. Bot. Kew Gard. Misc. 4: 43. 1852.

白背麸杨 bai bei fu yang

Shrubs or small trees; branchlets minutely grayish pubescent to glabrous, sparsely lenticellate. Petiole and rachis grayish tomentose, wingless; leaf blade imparipinnately compound, 20-30 cm; leaflets sessile, 9-17, opposite; leaflet blade ovate-lanceolate or lanceolate, 5-9.5 × 2-3.5 cm, adaxially gray tomentose along midrib, abaxially densely white tomentose, base oblique, margin entire to sparsely serrate, slightly revolute, apex acuminate, lateral veins ca. 11 pairs, midrib and lateral veins slightly impressed adaxially and prominent abaxially. Inflorescence to 20 cm, grayish yellow tomentose. Pedicel 1-2 mm, grayish yellow tomentose; flowers white. Calyx lobes ca. 0.5 mm, minutely pubescent, margins ciliate. Petals obovate-oblong, ca. 2 mm, margins ciliate, abaxially with white hairs along midrib. Male flowers with filament equal in length to anther. Disk annular. Female flowers with globose ovary, densely covered with white hairs. Drupe ca. 4 mm in diam., mixed pilose and red glandular-pubescent. Fl. Aug, fr. Sep-Oct.

● Hill forests; 800-1500 m. Fujian, Guangdong, S Hunan, Taiwan.


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