Plants 30–60(–70) cm, monocarpic. Caudex simple. Stem solitary, dichotomously branched nearly from base, finely grooved, lower parts minutely puberulent, branches elongate. Basal leaves several, petioles short; blade oblong, 5–10 × 2.5–3 cm, 2–3-pinnatisect; pinnae 4 pairs, remote; ultimate segments narrowly linear, 5–12 × 0.5–1 mm, glabrous, margins entire and revolute. Synflorescence corymbose; umbels 3–10 cm across; bracts absent; rays 6–13, 1–70 mm, very unequal; bracteoles 10–12, linear-lanceolate, about equaling flowers, bases connate, densely white pubescent, margins scarious; umbellules 20–25-flowered, capitate; pedicels very short, 1–2 mm, pubescent. Petals yellowish, abaxially white puberulous. Stylopodium low-conic; styles reflexed. Fruit ovoid or oblong-ovoid, slightly dorsally compressed, 2.2–4 × 0.8–1.5 mm, densely puberulent; ribs prominent, equal, obtuse-keeled; vittae 1 in each furrow, 2 on commissure. Fl. Jul–Aug, fr. Aug–Sep.
Home