Plants 20–30 cm. Root long-conic. Stem branched. Basal and lower petioles 5–9 cm, narrowly winged, sheaths narrow; blade ovate-oblong in outline, 3–4 × 2.5–3 cm, 2-pinnate/pinnatifid; pinnae 3–5 pairs, ovate to long-ovate, 1–2 × 0.7–1 cm, margin pinnatisect. Leaves reduced upwards. Umbels 3–8 cm across; peduncle 10–15 cm; bracts 5–6, 1.5–2 × 0.2–0.7 cm, leaf-like, entire or apex 2–3-toothed to somewhat pinnatifid; rays 10–15, up to 5 cm, unequal; bracteoles 3–4, lanceolate, nearly as long as pedicels, entire, rarely 2–3-toothed; umbellules 9–20-flowered. Calyx teeth minute. Petals white. Fruit broadly ovoid or ovoid, 1.5–2 × 1.8–2 mm, ribs filiform, sparse scattered warts, especially on ribs; vittae 3 in each furrow, 4 on commissure. Seed face plane. Fl. and Fr. Sep–Oct.
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