10. Corylopsis yunnanensis Diels, Notes Roy. Bot. Gard. Edinburgh. 5: 226. 1912.
滇蜡瓣花 dian la ban hua
Shrubs, to 3 m tall; young branches drying grayish, tomentose, older growth dark brown, glabrescent, lenticellate; buds oblong, glabrous. Stipules oblong, glabrous; petiole 10–12 mm, pubescent; leaf blade obovate-rounded, 5–8 × 3–6 cm, abaxially gray, stellately pubescent at least along veins, adaxially drying dark green, glabrescent, base asymmetrical, cordate, margin serrate, teeth short mucronate, apex rounded with a deltoid mucro; lateral veins 8 on each side, the 2 lowermost with obscure tertiary veins. Inflorescence 1.5–2.5 cm, 3.5–4.5 cm in fruit; peduncle 1–1.2 cm, brown tomentose, with 2 basal leaves; basal bracts of inflorescences ovate-rounded, 1–1.8 cm, abaxially glabrous; floral bracts ovate-rounded, ca. 6 mm, pubescent; bracteoles lanceolate, 3–4 mm, pubescent. Floral cup stellately pubescent. Sepals triangular-ovate, tomentose, apex subacute. Petals spatulate, 6–7 × ca. 5 mm. Stamens 4–5 mm; disk scales 2-lobed, apex truncate or obtuse, shorter than floral cup. Ovary stellately pubescent; styles 2–2.5 mm, base pubescent. Capsules 6–7 mm, stellately pubescent; persistent styles 1.8–2 mm, apex somewhat curved. Seeds 4–5 mm. Fl. Apr–Jun, fr. Jun–Aug.
Forests; ca. 1500 m. W Yunnan.