《Flora of China》|| Apiaceae || Trachyspermum ||细叶糙果芹 Trachyspermum ammi

4. Trachyspermum ammi (Linnaeus) Sprague, Bull. Misc. Inform. Kew. 1929: 228. 1929.

细叶糙果芹 xi ye cao guo qin

Sison ammi Linnaeus, Sp. Pl. 1: 252. 1753; Ammi copticum Linnaeus; Bunium copticum (Linnaeus) Sprengel; Carum copticum (Linnaeus) C. B. Clarke; Daucus coptica (Linnaeus) Persoon; Ptychotis coptica (Linnaeus) de Candolle; Trachyspermum copticum (Linnaeus) Link.

Plants annual, 20–50(–90) cm, essentially glabrous. Leaves petiolate, petiole 1–5 cm; blade triangular-ovate in outline, 2–8 × 2–6 cm, 2–3-pinnate/pinnatisect; ultimate segments linear–filiform to 15 × 0.2–0.5 mm. Umbels 2.5–5 cm across; bracts 3–8, linear-subulate, 5–7 mm; rays 6–20, 1–3 cm; bracteoles 5–10, linear, 2–3 mm; umbellules ca. 1 cm across, ca. 20-flowered; pedicels 0.5–4 mm, unequal. Calyx teeth conspicuous, minute, ovate or obsolete. Petals ca. 1.3 × 1.3 mm. Fruit 1.2–2 × 1.2–1.8 mm, densely covered in whitish minute papillae. Fl. & fr. May–Aug.

Cultivated, adventive in dry open ruderal areas. W Xinjiang [apparently native to India].

The fruits are used as a spice for flavoring and for perfume; they have reputed medicinal value (in Xinjiang). The species is extensively cultivated throughout C, S, and SW Asia.