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

166. Rhododendron kongboense L. Rothschild, Suppl. Rhododendron Assoc. Year Book. 1933: 53. 1933.

工布杜鹃 gong bu du juan

Small, erect shrubs, 0.15–0.3(–2) m tall; branchlets often short, thin, twiggy, scaly; bud scales deciduous. Petiole 2–6 mm, scaly; leaf blade aromatic, oblong, elliptic-oblong or oblong-lanceolate, 1.3–2.8 × 0.5–1.2 cm; base rounded or obtuse; apex subacute, mucronate; abaxial surface scales overlapping, arranged in several tiers, pale yellowish brown or pale brown; adaxial surface dark green, sparsely scaly. Inflorescence 6–12-flowered. Pedicel 0.1–0.4 cm, scaly, pubescent; calyx lobes 3–5 mm, oblong or obovate, persisting to enclose mature capsule, sometimes scaly, margin long-ciliate, rarely scaly; corolla narrowly tubular, with spreading lobes, pink, or rose to reddish purple, 0.8–1.2 cm, tube 6–8 mm, outer surface not scaly, variably pilose, inner surface densely pilose; stamens 5, included in corolla tube, filaments glabrous; ovary ca. 1 mm, scaly; style turbinate, nearly as long as ovary. Capsule ovoid, ca. 3 mm, scaly. Fl. and fr. Jun–Aug.

Rhododendron thickets, moorlands, rocky slopes, limestone cliffs, among boulders; 4300–4500(–5000) m. S Xizang [Bhutan].


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