Japan Flora: Shrub, loosely branched, 30-100 cm. high with erect to ascending branches; leaves narrowly oblong to obovate-oblong, 1-5 cm. long, obtuse to rounded with a mucro at apex, obtuse, subrounded, or acute at base, very short-petiolate, entire or with few obscure teeth on short pedicels; bracts leaflike, the bracteoles smaller than the calyx-segments, subtending the calyx; calyxsegments lanceolate; corolla white, 6-7 mm. long; capsules about 4 mm. across. May-June, Bogs;