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

96. Rhododendron labolengense Ching & H. P. Yang, Bull. Bot. Res., Harbin. 3(2): 94. 1983.

拉卜楞杜鹃 la bo leng du juan

Small, erect shrubs, ca. 0.5 m tall; branchlets virgate and intricately branched, with dense flaky dark brown scales. Petiole 1–2 mm, scaly; leaf blade broadly elliptic to ovate-oblong, 0.8–1.4 × 0.3–0.6 cm; base broadly cuneate or obtuse; apex obtuse, not mucronulate; abaxial surface brown, scales contiguous, 2-colored, golden and brown intermixed; adaxial surface deep green, scales contiguous, pale. Inflorescence 2–4-flowered. Pedicel 1–3 cm, scaly; calyx lobes 2.5–3.5 mm, oblong, persistent in fruit, scales absent, glabrous except for ciliate margin; corolla broadly funnelform, purple, 1–1.4 cm, tube ca. 4.5 mm, throat villous; stamens 10, shorter than corolla, filaments pubescent towards base; ovary ca. 2 mm, densely scaly; style 1–1.2 cm, longer than stamens, pubescent towards base. Capsule ovoid, 3–4 mm, densely scaly. Fl. Jun–Jul, fr. Aug–Sep.

Mountain slopes; 3500–3900 m. S Gansu.


 

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