281. Rhododendron martinianum I. B. Balfour & Forrest, Notes Roy. Bot. Gard. Edinburgh. 11: 96. 1919.
少花杜鹃 shao hua du juan
Shrubs, 1–2 m tall; old branches grayish white, glabrous, usually with longitudinal lines; branches slender; young branches greenish, with short-glandular hairs and setae. Petiole stout and short, adaxially flat, abaxially rounded, 3–5 mm; leaf blade leathery, elliptic or ovate-elliptic, 2–3.5 × 1.5–2 cm; base rounded; apex mucronate or rounded and apiculate; both surfaces glabrous; abaxial surface greenish; adaxial surface deep green; midrib raised abaxially, impressed adaxially; lateral veins 9–11-paired, inconspicuous on both surfaces. Inflorescence 2- or 3-flowered; rachis ca. 2 mm, glabrous. Pedicel 1.5–3 cm, sparsely shortly glandular-hairy; calyx discoid, with 5 wavy projections, small, margin with short glandular hairs; corolla funnelform, milky white, or yellowish to rose pink, 3–3.5 × 3–4 cm; lobes 5, rounded, ca. 1.5 × 1.8 cm, apex emarginate; stamens 10, unequal, 1.2–3 cm, filaments pubescent at base, anthers ovate, brown, ca. 2 mm; ovary cone-shaped, 3–4 mm, densely glandular-hairy; style 2–2.5 cm, as long as corolla, base glandular, smooth in the upper part; stigma expanded. Capsule cylindric, curved, 20–25 × 4–6 mm, glandular-hairy. Fl. Jun, fr. Aug.
Open coniferous forests; 3000–3500 m. E Xizang, NW Yunnan [Myanmar].