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FOC | Family List | FOC Vol. 9 | Hamamelidaceae | Corylopsis

13. Corylopsis rotundifolia H. T. Chang, Acta Sci. Nat. Univ. Sunyatseni. 1960(1): 37. 1960.

圆叶蜡瓣花 yuan ye la ban hua

Shrubs, 2–3 m tall; young branches tomentose with yellow-brown hairs, older growth drying brown, glabrescent, minutely lenticellate; buds narrowly ovoid, tomentose. Stipules oblong, 8–13 × 4–5 mm, pubescent with yellow-brown hairs on both surfaces; petiole 7–12 mm, tomentose; leaf blades rounded or subrounded, 4–8 cm in diam., membranous, abaxially sparsely pubescent, villous along veins, adaxially drying green, pubescent along veins, base subsymmetrical, cordate, margin serrate, teeth mucronate, ca. 1 mm, apex rounded and mucronate; lateral veins 6–9 on each side, the 2 lowermost with obscure tertiary veins. Inflorescence terminal on shoots, to 4.5 cm in fruit; peduncle ca. 1.5 cm, tomentose, with 2 or 3 basal leaves; basal bracts of inflorescences 4–6, ovate-rounded, 1.2–1.5 × 1–1.2 cm, brown tomentose on both surfaces; floral bracts ovate, 3–4 mm, pubescent; bracteoles oblong, 2–3 mm, pubescent. Floral cup 1.2–1.5 mm, glabrous. Sepals ovate-rounded, 0.8–1 mm, apex rounded. Petals broadly obovate, 2–3 × 2–2.5 mm, base shortly clawed. Stamens 1.5–2 mm; disk scales 2-lobed, shorter than sepals, apex obtuse. Ovary glabrous; styles 1.2–1.5 mm; stigmas slightly expanded. Capsules 10–17, 5–6 mm in diam. Seeds 3–3.5 mm. Fl. Mar–May, fr. Jun–Aug.

Montane forests; ca. 1200 m. Chongqing (Jinfo Shan, Nanchuan Xian), N Guizhou (Yinjiang Xian).


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