Azalea procumbens). Usually flat-growing but sometimes of tufted or mounded growth up to 15cm high. Leaves in opposite pairs, oblong to oval with revolute margins 4-8mm long, deep lustrous green above, sometimes bluish-white beneath, or white-mealy. Flowers pink, to 6mm wide, bell-shaped with five petal lobes, erect, solitary or in small umbels, early summer. Tundra and open slopes and summits, often very exposed, in stony or peaty soils. North America, Europe and Japan. [Pl.259].