Herbs perennial, dwarf, glabrous. Leaves 10--20, forming an open rosette; petiole slightly flattened, 0.5--2.5(--3) cm; leaf blade pinnatisect, 2--6 X 0.7--1.5 cm; pinnae 7--9 pairs, oblong, 3--9 mm, margin pinnatifid or pinnately dentate; segments linear, 0.4--0.8 mm wide, apex acute. Scapes 3--7 cm; umbels 1 or 2, superimposed, 2-or 3-flowered; bracts linear to narrowly triangular, 1.5--3.5 mm, tapered from a wide base. Pedicel 1.5--3 cm. Flowers heterostylous. Calyx campanulate, ca. 4.5 mm, sparingly glandular, parted to middle; lobes ovate-lanceolate, apex acute; veins 3. Corolla white or tinged with lilac; tube 5--6.5 mm; limb 1--1.2 cm wide; lobes obovate-elliptic to obovate-oblong, ca. 7 X 4 mm, margin entire, apex rounded. Pin flowers: stamens at middle of corolla tube; style ca. as long as tube. Thrum flowers: stamens toward apex of corolla tube; style ca. 2 mm. Capsule subglobose, ca. 3 mm in diam. Fl. May, fr. May-Jun.
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