Japan Flora: Deciduous, branched shrub 50-150 cm. high, the branches 4-winged, loosely pale brown stellate-hairy while young; leaves broadly lanceolate to narrowly ovate, &-20 cm. long, 2-5 cm. wide, long-acuminate, loosely mucronate-toothed or entire, green and glabrate above, pale green and usually stellate-hairy beneath, the petioles 2-3 mm. long; panicles narrow, 10-25 cm. long, one-sided, many­flowered; corolla pale purple, 15-20 mm. long, pale brown- tomentose externally, the tube gently curved; fruit ovoid, 6-8 mm. long, with persistent corolla and calyx.      July-Oct. Sunny slopes and thickets in mountains;

Honshu, Shikoku.