柴胡状斑膜芹 chai hu zhuang ban mo qin

Carum bupleuroides Schrenk ex Fischer & C. A. Meyer, Bull. Cl. Phys.-Math. Acad. Imp. Sci. Saint-Pétersbourg 3: 305. 1845; Hymenolyma bupleuroides (Schrenk ex Fischer & C. A. Meyer) Korovin.

Plants 40–70 cm. Root thickened, turnip-shaped. Basal petioles 5–10 cm; blade 2-pinnate; primary pinnae 5–7 pairs; ultimate segments linear-lanceolate or filiform, 2–5 × 0.2–0.5 mm. Umbels 2–5 cm across; bracts 5, oblong, 6–12 mm, margin broad membranous; rays 10–15, 1–3 cm, unequal; bracteoles obovate, 3–5 × 1.5–2 mm, conspicuous, nearly as long as flowers, pale membranous, nerves 5–8, violet; umbellules 10–15-flowered; pedicels 1.5–5 mm. Fruit ca. 3 × 1–1.5 mm; ribs filiform, prominent; vittae 3–4 in each furrow, 6–10 on commissure. Fl. and fr. May–Jun.

Arid semi-deserts, steppes, field margins. W Xinjiang [Kazakhstan, Kyrgyzstan, Tajikistan].