Japan Flora: Stems short, densely branched, densely leafy; leaves rather fleshy, green, broadly lanceolate to obovate, 6-17(-20) mm. long, 3-8(-10) mm. wide, rounded to subacute at the tip, long glandular-hairy on margin, entire, scattered-pilose above, very rarely shallowly 3-lobed; scapes 3-)0 cm. long, 1- to 8-flowered, densely glandular-pilose; calyx-lobes spreading, broadly ovate, 2-3 mm. long, rounded at apex; petals broadly ovate, 6-7 mm. long, spreading, white, spotless, abruptly narrowed to a prominent claw at base; stamens about 4 mm. long, the filaments linear; capsules broadly ovoid, 6-7 mm. long, bifid, superior. July-Aug. Gravelly and sandy slopes in alpine regions.

Hokkaido. Kuriles and Kamchatka.

var. idsuroei (Fr. & Sav.) Engl. Leaves often shortly 3-lobed, the flow­ers 1-4. Alpine regions; Honshu (centr. distr.).