535. Rhododendron microphyton Franchet, Bull. Soc. Bot. France. 33: 235. 1886.
亮毛杜鹃 liang mao du juan
Erect shrubs, evergreen, 1–2(–5) m tall; shoots densely red-brown-strigose, hairs flat. Leaves all similar. Petiole 2–5 mm, densely coarsely red-brown-strigose, hairs flat; leaf blade papery, elliptic or ovate-lanceolate, 0.5–3.2 × ca. 1.3 cm; base cuneate; margin finely crenate, with coarse appressed hairs above; both surfaces sparsely coarsely red-brown-strigose, more conspicuously so along midrib. Inflorescence 3–7-flowered, rarely with 1 or 2 lateral inflorescences. Pedicel 0.3–0.6 cm, densely coarsely shiny red-brown-strigose; calyx lobes shallowly lanceolate, small, densely long red-brown-strigose; corolla funnelform, whitish to rose or reddish, the upper 3 lobes with red or purple flecks within, to 2 cm; tube narrowly cylindric, 8–10 mm, outer surface glabrous or with long fine hairs; lobes oblong, apex rounded; stamens 5, exserted, filaments linear, puberulent at base; ovary ovoid, ca. 4 mm, 5-locular, densely coarsely long shiny red-brown-strigose; style slender, longer than stamens, glabrous. Capsule ovoid, up to 8 mm, densely shiny red-brown-strigose and puberulent. Fl. Mar–Jul(–Sep), fr. Jul–Dec.
Evergreen broad-leaved forest margins, thickets, ridges; (1300–) 2000–2200(–3200) m. N Guangxi, W Guizhou, SW Sichuan, SE and W Yunnan [N Myanmar].