Plants to 50 cm high. Leaf blade ovate-oblong in outline, ca. 10 × 6 cm; pinnae 5–6 pairs; ultimate segments ovate, 4–5.5 × 3–4 mm, adaxially sparsely squamose-pubescent. Peduncles squamose-pubescent; umbels 5–6 cm wide; rays 18–20, 2–4 cm, slender, angled, squamose-pubescent; bracteoles several, linear-lanceolate; umbellules more than 10-flowered; pedicels densely scaly-villous. Calyx teeth lanceolate, longer than stylopodium. Fruit oblong, terete; mericarps pentagonal in cross section; ribs acute, equal. Fl. Aug–Sep, fr. Sep–Oct.