Description
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Shrubs, evergreen, up to 2.5 m tall; branchlets slender, scaly, puberulous. Petiole 3–8 mm, scaly; leaf blade almost leathery, oblanceolate, oblong-elliptic, to lanceolate, (1.5–)3–4(–6) × (0.4–)9–12(–2.5) cm; base narrowly cuneate; apex obtuse or acute, mucronate; abaxial surface scales contiguous or ca. 0.5 × their own diameter apart, brownish, broadly rimmed; adaxial surface dark green, shiny, usually sparsely scaly. Inflorescence racemose, 10–28-flowered; rachis 10–26 mm. Pedicel 0.8–2 cm, densely scaly; calyx lobes 1–3 mm, linear or triangular-lanceolate, scaly, margin ciliate; corolla campanulate, white, (0.4–) 0.5–0.8(–1) cm, tube slightly shorter than lobes; outer surface scaly; inner surface glabrous; stamens 10, nearly as long as corolla; filaments glabrous; ovary densely scaly; style nearly as long as stamens, glabrous. Capsule cylindric, (4–)5–6(–8) mm, scaly. Fl. May–Jun, fr. Aug–Nov.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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N China, also Henan, Hubei, Hunan, Sichuan [Korea].
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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Thickets, scrub, slopes, dry gorges, cliffs, rocks; 1000–3000 m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Rhododendron micranthum: Brief Summary
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Wikimedia Commons has media related to
Rhododendron micranthum.
Rhododendron micranthum (照山白) is a rhododendron species native to China and Korea, where it grows at altitudes of 1,000–3,000 m (3,300–9,800 ft). It is an evergreen shrub that grows to 2.5 m (8.2 ft) in height, with leaves that are oblanceolate, oblong-elliptic, to lanceolate, 3–4 by 9–12 cm in size. Flowers are white.
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