Leaves numerous, forming a flat rosette; petiole indistinct to 1/2 as long as leaf blade, sparsely villous; leaf blade narrowly oblong, 1.5--9 X 0.6--1.5 cm, tapering to base, with sparse white multicellular hairs along midvein, pinnatifid to nearly pinnatisect; lobules linear, 1--2 mm wide, margin entire or with 1 or 2 teeth, apex obtuse to acute. Scapes (1--)3--9(--16) cm, sparsely villous; umbels (3--)6--12-flowered; bracts linear, 2--6 mm, sparsely pilose. Pedicel 1--12 mm, glabrous. Calyx cup-shaped to turbinate, 2.5--3 mm, enlarging to 4--4.5 mm in fruit, glabrous outside, parted slightly below 1/3; lobes triangular, puberulous inside, apex acute. Corolla white; tube ca. 1.8 mm; limb ca. 2 mm wide; lobes oblong-elliptic, apex obtuse. Capsule ca. 4 mm. in diam. Fl. May-Jun, fr. Jun-Aug.