Herbs perennial, with a long stock formed by overlapping petioles and basal bud scales. Leaves forming a rosette; petiole broadly winged, usually slightly shorter than leaf blade, concealed by bud scales; leaf blade lanceolate to oblong-lanceolate or oblanceolate, 6--12 X 1--3 cm, initially puberulous, becoming glabrous, efarinose, base attenuate, margin finely crenate to nearly entire, apex acute to obtuse. Scapes 8--25 cm, minutely pubescent and glandular; umbels 3--15-flowered; bracts linear-lanceolate, 5--8 mm. Pedicel 0.5--2 cm, glandular puberulous. Flowers heterostylous. Calyx tubular-campanulate, 7--11 mm, parted slightly below middle; lobes lanceolate, apex acute to obtuse. Corolla deep violet to pale purple; tube darker than lobes; limb 2--3 cm wide; lobes lanceolate to narrowly oblong, usually ca. as long as tube. Pin flowers: corolla tube ca. 1 cm; stamens ca. 4 mm above base of corolla tube; style ca. 6 mm. Thrum flowers: corolla tube 1.2--1.3 cm; stamens ca. 8 mm above base of corolla tube; style ca. 2.5 mm. Capsule cylindric, 0.8--1.5 cm. Fl. Jun-Jul.
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