Japan Flora: More slender; leaves 3-6 mm. wide; flowers reddish to dark red-brown; perianth-segments lanceolate, acute, 2.5-3 mm. long; stamens 2/3 as long as the perianth-segments, the anthers oblong, conspicuously shorter than the filaments; capsule longer than the perianth; seeds with a caruncle as long as the body of the seed. June-Aug. Alpine regions.