Japan Flora: Branched, suberect, densely leafy small shrub 7-20 cm. high, the branches angular, white-pu-berulent in the grooves; leaves spreading, strongly revolute and flattened, sessile, broadly linear, 5-8 mm. long, about 1.5 mm. wide, abruptly obtuse, with minute gland-tipped teeth while young, the midrib impressed on upper side, white-puberulent beneath; flowers nodding, rose 的 white, the pedicels 2-2.5 cm. long, glandular-pilose and white-puberulent; calyx-lobes ovate, glabrous, minutely ciliolate, 1.5-2 mm. long; corolla 6^7 mm. long, campanulate. June-Aug. Rocky places, alpine;

Honshu (centr. distr. and westw.), Shikoku.

Var. oblongo-ovata (Tatew.) Toyokuni. Plant larger; leaves 8-12 mm. long, about 2 mm. across, the pedicels 2.5- 3.5 cm. long. July-Aug. Alpine; Hokkaido, Honshu (n. distr.).