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FOC | Family List | FOC Vol. 14 | Ericaceae | Lyonia

2. Lyonia doyonensis (Handel-Mazzetti) Handel-Mazzetti, Symb. Sin. 7: 789. 1936.

圆叶珍珠花 yuan ye zhen zhu hua

Pieris doyonensis Handel-Mazzetti, Anz. Akad. Wiss. Wien, Math.-Naturwiss. Kl. 60: 185. 1923; Lyonia ovalifolia (Wallich) Drude var. doyonensis (Handel-Mazzetti) Judd.

Trees or shrubs, deciduous, 2–6(–15) m tall. Twigs glabrous, rarely puberulous. Buds (1–)4–7(–11) mm, glabrous. Petiole 0.8–1.5 cm, glabrous or pubescent; leaf blade orbicular, oblong-orbicular, or oblong-elliptic, 6–15 × 4–10 cm, papery to thinly leathery, abaxially brown appressed-pubescent, especially on midvein and secondary veins, adaxially subglabrous, veins strongly raised abaxially, slightly raised adaxially, base obtuse-rounded, often shallowly cordate, apex rounded then abruptly acuminate. Inflorescences 7–17 cm, glabrous; lower 2 or 3 bracts leaflike. Pedicel 2–4 mm, glabrous. Calyx lobes triangular, 2–3 mm, glabrous. Corolla tubular, 1–1.2 cm, abaxially densely pubescent; lobes ca. 1 mm. Filaments 6–8 mm, lower part pilose, with 2 spurs at apex. Ovary glabrous. Capsule depressed-globose, 4–5 mm in diam., with thick sutures, glabrous. Fl. Jul–Aug, fr. Aug–Nov.

Evergreen forests, ravines; 2000–3000 m. NW Yunnan.


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