Herbs, glabrous or sometimes minutely and sparsely pubescent with pale, curved, occasionally gland-tipped hairs on stems and veins of leaves. Stems erect to ascending, 5-15 dm. Leaf blades broadly oblong-lanceolate or narrowly lanceolate to linear (and then subsessile), proximal blades 10-90 × 1-30 mm, proportionately wider than distal blades (except for linear-leaved forms), margins entire, plane, glabrous or glabrate. Perianths deep pink to red-violet, 7-10 mm. Fruits slightly to notably gibbous, striate, 8-11(-14) mm, sometimes weakly warty at least on gibbous side.
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