Description from Flora of China
Bupleurum falcatum Linnaeus var. euexaltatum H. Wolff; B. falcatum var. linearifolium H. Wolff, p.p.
Plants 40–90 cm, perennial. Taproot stout, woody, thickened into a several-branched caudex. Stems numerous, branching above, base without fibrous remnant sheaths. Basal leaves many, caespitose, sessile; blade linear to linear-lanceolate, 8–12 × 0.2–0.4 cm, 3-nerved, base slightly narrow, clasping. Middle leaves linear-subulate. Upper leaves subulate, ca. 5 × 1 mm, 1–3-nerved. Inflorescence copiously branched, umbels 1.5–3 cm across; bracts 2–3. linear or lanceolate, 0.5–2 mm; rays 3–5 (–7), 5–22 mm, unequal; bracteoles 5, elliptic or lanceolate, 1–1.5 × ca. 0.5 mm, thick, shorter than or equaling pedicels; umbellules 4–7 mm across, 5–10-flowered; pedicels 2–3 mm, exceeding the bracteoles in fruit. Petals yellow. Stylopodium low-conic, dark yellow. Fruit oblong, 3.5–4.5 × 1.5–2 mm; ribs narrowly winged; vittae large, 1 in each furrow, 2 on commissure. Fl. Jun–Jul, fr. Aug–Sep.
This species has reputed medicinal value (in Xinjiang).
Mountain slopes; ca. 1500 m. Xinjiang (Ürümqi) [Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan].