朝鲜茴芹 chao xian hui qin

Pimpinella nikoensis Y. Yabe var. koreana Y. Yabe, Bot. Mag. (Tokyo) 17: 106. 1958; Spuriopimpinella koreana (Y. Yabe) Kitagawa.

Plants perennial, 40–60 cm, essentially glabrous. Root fibrous. Stem 2–3-branched. Basal and lower petioles 5–12 cm; blade 1–2-ternate; lateral leaflets ovate or oblong-ovate, terminal leaflets rhombic, 3–10 × 1–5 cm, pubescent on veins, margins coarsely serrate or incised. Upper leaves smaller, sessile, 3-lobed, lobes ovate or lanceolate. Umbels 4–6 cm across; bracts absent, occasionally 2–3, linear, ca. 5 mm; rays 5–15, 3–4 cm; bracteoles 2–6, linear-lanceolate, 1.5–2.5 mm, ca. equal to or shorter than pedicels; umbellules 6–12 mm across, 10–20-flowered, polygamous; pedicels 1.5–5 mm, very unequal. Calyx teeth conspicuous, lanceolate, 0.4–0.6 mm, unequal. Petals white, apex with incurved lobule. Stylopodium conic; styles ca. 2 × stylopodium, reflexed. Fruit ovoid, ca. 1 × 0.8 mm, base cordate, glabrous; vittae 2–3 in each furrow, 4 on commissure. Seed face plane. Fl. and fr. Jul–Oct.

Forests, moist grassland along streams; 500–1500 m. Zhejiang [Japan, Korea].