A modern reference to temperate woody plants, including updated content from this site and much new material, can be found at Trees and Shrubs Online.

Rhododendron anthosphaerum Diels

Modern name

Rhododendron anthosphaerum Diels


R. eritimum Balf. f. & W. W. Sm.; R. chawchiense Balf. f. & Farrer; R. gymnogynum Balf. f. & Forr.; R. heptamerum Balf. f.; R. persicinum Hand.-Mazz.

An evergreen shrub or a small tree up to 30 ft high. Leaves oblong, oblong- lanceolate, or oblong-oblanceolate, 4 to 6 in. long, 78 to 178 in. wide, acute to obtuse at the apex, glabrous. Flowers in terminal trusses of ten to fifteen, borne early in spring, sometimes in February; pedicels 38 to 58 in. long, floccose and sometimes glandular also. Calyx minute, usually glabrous, but sometimes with the same covering as the pedicels. Corolla five- to seven-lobed, tubular-campanulate, 112 to 3 in. long, commonly crimson, rose-magenta or blue-magenta, with darker nectar-pouches at the base and sometimes spotted inside, occasionally white or, in the type of R. persicinum, peach-coloured. Stamens ten to fourteen, downy near the base or glabrous. Ovary glabrous or slightly hairy; style glabrous. Bot. Mag., t. 9083. (s. and ss. Irroratum)

Native of N.W. Yunnan and bordering parts of upper Burma; discovered by Forrest below the Sungkwei pass in 1906 and introduced by him. Although hardy in a sheltered position south of London, its flowers are of little beauty and both they and the young growths are often destroyed by frost.



Other species in the genus