Japan Flora: Smooth, erect, biennial herb; stems simple to sparingly branched, 5-10 cm. long, obsoletely 6-striate, loosely fewleaved; median cauline leaves ovate- to obovate-elliptic, 1-1.5 cm. long, 8-10 mm. wide, rounded to very obtuse, abruptly narrowed at base, sessile, flat, spreading, entire, 1-nerved, the lower leaves smaller, the upper ones slightly smaller and obtuse at base; flowers solitary, about 15 mm. long, the peduncles 7-15 mm. long; calyx 13-15 mm. long, tubular, slightly narrowed at base, 4-ribbed, the lobes 4, dekoid-lanceohte, 3-4 mm. long, acuminate, slightly unequal, keeled, erect; corolla tubular, about 18 mm. long, the lobes 4, about 4 mm. long, oblong, obtuse, entire. Sept. Rocks in mountains;
Honshu (Mount Jumonjitoge in Chichibu); rare. Manchuria, China, and Himalayas.