米易杜鹃 mi yi du juan

Shrubs; branches usually stout, ca. 8 mm in diam., glabrous. Petiole stout, 20–22 mm, glabrous; leaf blade leathery, oblong-obovate, 13.8–17 × 5.3–6.2 cm; base widely cuneate to rounded, unequal; apex obtuse, apiculate; both surfaces glabrous; abaxial surface pale green; adaxial surface green, midrib prominent abaxially, grooved adaxially; lateral veins 17–19-paired. Inflorescence racemose-umbellate, 5- or 6-flowered; rachis ca. 13 mm, glabrescent. Pedicel ca. 2 cm, glabrous; calyx discoid; lobes 5, ca. 3 mm, puberulent outside; corolla tubular-campanulate, ca. 5 cm, white-pubescent inside; lobes 6 or 7, ovate, 1.5–1.8 × 1.5–2 cm; stamens ca. 17, unequal, 2.5–3.5 cm, filaments pubescent at base; ovary ovoid, ca. 8 × 6 mm; style ca. 3.3 cm, both densely brown glandular; stigma swollen, discoid, ca. 5 mm in diam. Capsule not known. Fl. May.

Forests; ca. 1700 m. SW Sichuan.

The plate accompanying the original description of Rhododendron miyiense illustrates the corollas as being funnelform-campanulate, not tubular-campanulate.