Spuriopimpinella calycina (Maximowicz) Kitagawa.

Plants perennial, ca. 40 cm, essentially glabrous. Root fusiform, sometimes clustered. Stem branched. Basal petioles 4–6 cm; blade 2-ternate; leaflets ovate or oblong-ovate, 1–2 × 1–1.5 cm. Cauline leaves similar to basal, petiole up to 15 cm; blade 1–2-ternate; lateral leaflets oblong-ovate or ovate, usually 2-lobed, terminal leaflets oblong-rhombic, 4–10 × 2–4 cm, pubescent on veins, 3-lobed, lobes lanceolate. Umbels (3–)6–10 cm across; bracts 3–5, linear-lanceolate, 3–8 mm, sometimes like uppermost leaf; rays 6–12(–15), 2–4(–8) cm, subequal; bracteoles 5(–8), linear-lanceolate or subulate, 1–2 mm, shorter than pedicels; umbellules 4–10 mm across, 10–15-flowered; pedicels 3–6 mm, very unequal. Calyx teeth conspicuous, lanceolate or narrowly triangular, 0.5–0.8 mm. Petals white, obovate or obcordate, apex with incurved lobule. Stylopodium conic; styles 2–3 × stylopodium. Fruit oblong-ovoid, ca. 5 × 2 mm, glabrous; vittae 2–3(–4) in each furrow, 4 on commissure. Seed face plane. Fl. Jun–Aug, fr. Sep–Oct.

Thickets, grassy slopes. NE China (unlocalized specimen) [Japan, Korea].