Rhododendron glaucophyllum Rehd.

국표에는 없다.

Low shrub, to 1.5 m; shoots with a peeling reddish brown bark. Leaves (3.5–)4–6 × (1.3–)1.5–2.5 cm, narrowly elliptic to elliptic, lower surface with a glaucous papillate epidermis, the scales 1–3× their own diameter apart, unequal, the smaller golden, the larger brown. Pedicels scaly. Flowers (2–)4–6 per inflorescence; calyx lobes 6–9(-ll) mm, acuminate, with a tuft of hairs inside at the apex; corolla pink or white flushed pink, rarely white, sometimes also with flecks; campanulate to tubular-campanulate, (18–)20–27(–32) mm; stamens 10, regular; ovary scaly, style sharply deflexed or declinate, glabrous. Flowering April-May. Royal Horticultural Society (1997)

Distribution  Bhutan China S Tibet India Sikkim, Arunachal Pradesh

Habitat 2,750–3,650 m

RHS Hardiness Rating H5

Conservation status Data deficient (DD)

Taxonomic note Subsp. tubiforme has a more Easterly distribution than subsp. glaucophyllum. This species closely resembles R. luteiflorum (q.v.). White-flowered forms have been referred to var. album Davidian. Royal Horticultural Society (1997)

An evergreen shrub 3 to 6 ft high, of bushy habit, and usually wider than it is high; young branches, leaves, flower-stalks, and calyx covered with reddish-brown scurf or scales. Leaves oval or oblong, 1 to 3 in. long, 1⁄3 to 3⁄4 in. wide; margins recurved; upper surface dark dull green, lower one glaucous white or sometimes pale brown when young; stalk 1⁄8 to 1⁄3 in. long. The leaf when crushed has a strong, rather resinous odour. Flowers 3⁄4 to 11⁄4 in. wide, rosy red, produced during May in terminal clusters of usually five or six (sometimes eight to ten). Calyx large, with five ovate, pointed lobes, 1⁄3 in. long, scaly outside. Corolla bell-shaped, with five spreading, rounded lobes, slightly scaly outside; Stamens ten, downy at the base. Style straight or bent. Bot. Mag., t. 4721. (s. and ss. Glaucophyllum)

Native of the Himalaya from E. Nepal eastward at 10,000 to 12,000 ft; introduced by J. D. Hooker in 1850. It is quite hardy in a sheltered place, and pretty when well in bloom, though not showy. The hybrid ‘Rosy Bell’ derives from this species.

Rhododendron glaucophyllum - Trees and Shrubs Online

 

 

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