刺果芹 ci guo qin

Tordylium latifolium Linnaeus, Sp. Pl. 1: 240. 1753; Caucalis latifolia (Linnaeus) Linnaeus.

Plants 20–40(–50) cm high. Leaf petiole to 5 cm; blade ovate-oblong, 4–10 × 2.5–5 cm; pinnae 1–2.5 × 0.5–1 cm. Peduncles stout, 6–9 cm; bracts (3–)4–5, lanceolate, 5–12 mm, margin white-scarious; rays 2–5, 3–4 cm; bracteoles ca. 5, ovate, 5–8 mm, margin white-scarious. Umbellules comprise 3–4 bisexual and 3–4 staminate flowers. Fruit ca. 10 × 5 mm. Fl. Jul, fr. Aug.

Ruderal weed of roadsides, waste places, and ditches; ca. 2000 m. W Xinjiang [Afghanistan, Kashmir, Kazakhstan, Pakistan, Russia; NW Africa, C and SW Asia, C, S, and W Europe].