Russia Flora: Plant, up to 0.5 (0.7) m tall, with thin root. Stems glabrous or slightly pubescent. Leaves bi- and triternately dissected into narrow-linear, almost filiform segments 10-50 mm long, 0.5-2 mm wide. Bracts short, narrow-lanceolate, with short appressed hairs. Flowers blue-violet, rarely pale blue. Sepals 10-17 mm long, 5-8 mm wide, oblong-obovate, obtuse, with short appressed pubescence on outside. Spur almost twice as long as sepals, slightly curved. Nectary shallowly obtusely three-lobed, narrowed at base. Follicles 12-15 mm long, 3-5 mm wide, glabrous. Seeds 0.5-1 mm in diameter, black-brown, with transverse rows of short membranous scales.

Distribution: Lower Zeya, Ussuri (southern: Vladivostok). (Fig. 7). - On railway embankments, waste places. Introduced. VI-VIII. - General distribution: European part, Caucasus, Western and Eastern Siberia, Central Asia (introduced); Scandinavia (southern), Atlantic and Central Europe, Mediterranean, Asia Minor, Iran, Mongolia (introduced), North America (introduced). - Described from Europe.