Description from
Flora of China
Carum coriaceum Franchet, Bull. Soc. Philom. Paris, sér. 8, 6: 127. 1894.
Plants perennial, 30–70 cm, sparsely pubescent. Root fusiform, ca. 5 × 0.4 cm. Stems solitary, rarely 2–3. Basal and lower leaves simple, cordate-ovate, (1–)2–5 × 1–3 cm, both surfaces pubescent, margins coarsely serrate. Upper leaves smaller, sessile, 1-pinnate or 3-lobed, lobes lanceolate. Umbels 2–5 cm across; bracts 1–2, linear, 4–8 mm, or absent; rays (8–)15–20, 2–4(–6) cm, unequal, pubescent; bracteoles 1–3, linear, 1.5–3 mm, shorter than pedicels, glabrous; umbellules ca. 8 mm across, 15–25-flowered; pedicels 0.7–3 mm, unequal. Calyx teeth obsolete. Petals white, obcordate, base cuneate, apex notched with incurved lobule, abaxially hairy. Stylopodium conic; styles 1–1.5 × stylopodium, spreading. Fruit ovoid, ca. 1.5 × 1 mm, base cordate, surface densely papillose-rugose; vittae 1–3 in each furrow, 2–4 on commissure. Seed face plane. Fl. May–Aug, fr. Aug–Nov.
This species has reputed medicinal value. See the taxonomic note under Pimpinella candolleana.
Forests, grassy streamsides; 900–3200 m. Guangxi, Guizhou, Sichuan, Yunnan.