碧江杜鹃 bi jiang du juan

Shrubs ca. 1 m tall; shoots ca. 5 mm in diam. below inflorescence; young shoots densely glandular-setose, glabrescent. Petiole ca. 10 mm, densely glandular-setose; leaf blade leathery, narrowly lanceolate, 7–10 × 2–2.5 cm; base obtuse or rounded; margin revolute; apex acute, apiculate; abaxial surface whitish, prominent midrib and nerves with sparse glands, otherwise glabrous; adaxial surface dark green, glabrous; midrib grooved adaxially; lateral veins 14–15-paired, impressed. Inflorescence 10–12-flowered; rachis ca. 10 mm, densely tomentose. Pedicel 1.8–2 cm, densely glandular-setose; calyx red, fleshy; lobes 5, 5–8 mm, narrowly lanceolate, glandular-setose; margin glandular-ciliate; corolla campanulate, fleshy, crimson, ca. 3 cm, with 5 nectar pouches; lobes 5, suborbicular, ca. 1.3 cm, emarginate; stamens 10, 1.5–2 cm, filaments glabrous; ovary conoid, with ± truncate apex, ca. 5 mm, densely glandular-setose; style glabrous, stigma capitate. Capsule not known. Fl. May.

Mixed forests; ca. 2900 m. W Yunnan.