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

411. Rhododendron urophyllum W. P. Fang, Acta Phytotax. Sin. 21: 467. 1983.

尾叶杜鹃 wei ye du juan

Shrubs, 3–8 m tall; branchlets slender, ca. 3 mm in diam. below inflorescence, glandular-setose, glabrescent. Petiole cylindric, 10–20 mm, slightly stellate-tomentose; leaf blade thickly leathery, elliptic-lanceolate to oblanceolate, broadest above the middle, 8–11 × 1.7–3 cm; base broadly cuneate or rounded; apex acuminate, cuspidate; abaxial surface yellowish green, thinly stellate-tomentose only on veins; adaxial surface green, glabrous; midrib prominently raised abaxially, grooved adaxially; lateral veins obscure-paired. Inflorescence racemose-umbellate, 10–12-flowered; rachis ca. 10 mm, yellowish puberulent. Pedicel 0.5–1 cm, glandular-setose; calyx lobes 5, ca. 1 mm, triangular-ovate, glandular-setose; corolla campanulate, crimson, without flecks, 3.5–4 cm, with 5 deep-colored basal nectar pouches; lobes 5, suborbicular, ca. 1.2 × 1.5 cm, emarginate; stamens 10, unequal, 1–2 cm, filaments glabrous; ovary cylindric, ca. 5 mm; style ca. 2 cm, glabrous, stigma slightly swelling. Capsule not known. Fl. Mar–May.

Evergreen broad-leaved forests; 1200–1600 m. SW Sichuan.


 

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