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FOC | Family List | FOC Vol. 14 | Apiaceae | Rhododendron

228. Rhododendron gonggashanense W. K. Hu, Bull. Bot. Res., Harbin. 8(3): 55. 1988.

贡嘎山杜鹃 gong ga shan du juan

Shrubs to 3 m tall; shoots ca. 4 mm in diam. below inflorescence; young shoot green, glabrescent. Petiole stout, 10–20 mm, glabrous; leaf blade leathery, elliptic to widely ovate, 4.5–6.6 × 2.8–4.5 cm; base rounded or cordate; apex rounded, apiculate; both surfaces glabrous; abaxial surface pale green; adaxial surface green; midrib slightly grooved adaxially, lateral veins ca. 13-paired, obscure abaxially, appressed. Inflorescence ca. 15-flowered; rachis ca. 20 mm, glabrescent. Pedicel slender, 2–2.2 cm, glandular-hairy; calyx lobes 7, ca. 2 mm, glandular-hairy outside; corolla funnel-campanulate, white flushed pink, with yellow flecks, 3.2–3.5 cm, lobes 6 or 7, unequal, ca. 1.2 × 1.3–1.5 cm, emarginate; stamens 12–15, 1.4–1.9 cm; filaments glabrous; ovary conoid, ca. 5 mm, densely glandular-hairy; style ca. 2.5 cm, glandular-hairy, stigma small. Capsule not known. Fl. Jun.

Thickets, mountain slopes; 3200–3300 m. W Sichuan.


 

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