Distribution
Hungary, Ukraine, United States of America (introduced)

Native to: Albania, Austria, Baltic States, Belarus, Belgium, Central European Rus, Czechoslovakia, Denmark, East European Russia, Finland, France, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Krym, Netherlands, North European Russi, Northwest European R, Norway, Poland, Romania, South European Russi, Sweden, Switzerland, Ukraine, Yugoslavia.
Extinct in: Algeria.
Introduced into: British Columbia, Connecticut, Maine, Masachusettes, Michigan, New Brunswick, New York, Newfoundland, Nova Scotia, Ontario, Québec, Vermont.

Plants 8–30 cm, herbaceous; rhizomes thick, short; rosettes sometimes clumped, vegetative parts efarinose but often pubescent. Leaves not aromatic, indistinctly or abruptly petiolate; petiole winged; blade with deep reticulate veins abaxially, ovate to ovate-oblong, 5–20 × 2–6 cm, thin, membranaceous in age, margins coarsely toothed, apex acute to obtuse, surfaces pubescent, hairs simple. Inflorescences 5–16-flowered; involucral bracts plane, unequal. Pedicels erect to drooping, moderately thick, 3–20 mm, length 1–3 times bracts, flexuous. Flowers heterostylous; calyx pale green, broadly campanulate, 0.8–2 cm; corolla yellow, with orange spots at base of lobes, tube 8–20 mm, length to 1 times calyx, eglandular, limb 8–28 mm diam., lobes 8–14 mm, apex slightly emarginate to distinctly notched. Capsules ovoid, length to 1 times calyx. Seeds without flanged edges, minutely vesiculate. 2n = 22 (Europe).

Phenology: Flowering spring.
Habitat: Meadows and pastures, persisting around old gardens and homesteads, apparently substantially spreading and naturalized.
Elevation: 0-1000 m.

(Flora of North America)