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

440. Rhododendron trilectorum Cowan, Notes Roy. Bot. Gard. Edinburgh. 21: 144. 1953.

朗贡杜鹃 lang gong du juan

Dwarf shrubs, 0.15–0.3 m tall; bud scales persistent. Petiole winged, 3–5 mm, glabrescent; leaf blade leathery, obovate or obovate-spathulate, 1–3.2 × 0.6–1.8 cm; base attenuate, decurrent; margin revolute; apex rounded, apiculate; abaxial surface pale green, glabrous; adaxial surface deep green, glabrous, midrib raised abaxially, grooved adaxially; lateral veins 7–11-paired, raised abaxially, impressed adaxially. Inflorescence 2–3(–5)-flowered; rachis minute. Pedicel 2–3 cm, glabrescent; calyx green flushed pink, fleshy; lobes 5, 1–3 mm, glabrous; corolla funnel-campanulate, fleshy, pale yellow, white-puberulent near base inside, 3.3–4 cm, lobes 5, widely ovate, ca. 1.5 × 1.5–1.8 cm, emarginate; stamens 10, 2–3 cm, filaments white-pubescent at base; ovary cylindric, ca. 6 mm; style 2.7–3 cm, glabrous; stigma capitate, small. Capsule not known. Fl. Jun.

Rocky slopes; 3600–4300 m. SE Xizang [NE India].


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