Japan Flora: Pubescent perennial; stems stout, firm, erectj simple or slightly branched; leaves chartaceous, ovate or narrowly so, 6-10 cm. long, 3-6 cm. wide, acute to acuminate, broadly cuneate to truncate at base, incised or with large, deep, acute teeth, the petioles 1-5 cm. long, the upper leaves gradually smaller, broadly lanceolate to narrowly ovate, often entire, the petioles about 1 cm. long; flowers few, in interrupted verticils, subsessile, 25-32 mm. long, pink; calyx­teeth prominently spine-tipped, the lower lip of corolla shorter than the upper; nutlets about 2.5 mm. long, cuneate-obovate, acutely 3-angled, truncate at apex, black. Aug.-Sept. Grassy places and thickets in hills and mountains.

Hokkaido, HonshUj Shikoku, Kyushu. Korea, Manchuria, and China.