Seseli serpentina

Perennial, fibrous and nonfibrous petiolar remains present at base. Stems 1 to many, shortly branched at half part, 80–140 cm tall, 5–8 mm diam., entire, glabrous, green. Basal leaves ovate in outline, 3-pinnate, 20–30 × 10 cm, acute, glabrous; leaf segments linear, 3–10 × 0.1– 0.2 cm, shortly petiolate. Upper cauline leaves reduced to upwards, narrow lanceolate or obovate in outline, 2-pinnate, 1–25 × 1–10 cm, acute, glabrous; sheaths 1–3.5  × 0.4–1 cm. Inflorescence composed of lateral branches; main umbel similar to lateral umbels, umbels 1.5–3 cm diam., scabrid, rays 4–6, c. 1–1.5 cm, not equal. Bracts 0–2, oblong or linear, 1.5 × 1.5 mm, obtuse, pubescent. Umbellules 6–7 mm diam., 10–15-flowered. Bracteoles free, 7–9, linear, c. 2 × 1 mm, acuminate, pubescent. Pedicels 1–1.5 mm, pubescent. Sepals triangular, 0.5 mm, persistent in fruit. Petals white-violet, glabrous. Filaments yellow, anthers versatile. Ovary densely pubescent, stylus and stylopodium reddish-purple. Fruits oblong, 3.5–6.5 × 2–3 mm, with 5 distinct ridges, dark purple or green, number of hairs reduce as fruits become mature. Flowering in September–November, fruiting in December–January.