Japan Flora: Glabrous, erect annual or biennial, 10-60 cm. high; stems erect, often branched, 4-angled; leaves oblong to narrowly ovate, 3-10 cm. long, 1.5-4 cm. wide, acuminate，narrowed to a petiolelike base, 3 (-5)-nerved, mi­nutely papillose on nerves beneath and on margin; flowers 4-merous, short-pedicelled, pale yellow, greenish after anthesis; calyx divided nearly to the base, the segments linear, minutely papillose, l/2”2/3 as long as the corolla; corolla narrowly ovoid, 6-10 mm. long, the spur 3-7 mm. long, rarely absent; capsules lanceolate, as long as the corolla, sessile; seeds ellip­soidal, smooth, terete, about 1 mm. long. Sept Sunny slopes in mountains;

Hokkaido, Honshu, Shikoku, Kyushu. e. Europe, Siberia,  Korea, Manchuria, Kuriles, Sakhalin, and Kamchatka.