Plants 5–10(–20) cm, entirely densely covered in short stiff white hairs. Stem usually inconspicuous, rarely to 7 cm, branched at base. Basal leaves oblong, 2–9 × 1–3 cm, 2-pinnate; ultimate segments oblong-lanceolate, 1–3 × 0.5–1 mm, often violet below. Terminal umbel ca. 10 cm across; peduncle 2–18 cm; bracts numerous, linear-lanceolate, margins broadly white membranous; rays numerous, unequal, 2–5 cm; bracteoles similar to bracts, smaller. Calyx teeth ca. 0.5 mm. Fruit ovoid, 3–5 × 2–3 mm. ribs with stiffly scarious-processes and hairs. Fl. and fr. Jun–Jul.
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