Bupleurum falcatum Linnaeus subsp. scorzonerifolium (Willdenow) Koso-Poljansky; B. falcatum var. scorzonerifolium (Willdenow) Ledebour; B. sinensium Gandoger. Plants 30–60 cm, perennial. Taproot stout, dark reddish-brown, branched. Stems 1–3, flexuose, greatly dichotomously branched, base clothed with fibrous remnant sheaths. Basal leaves linear, 6–16 × 0.2–0.7 cm, thick-papery, rigid, nerves 3–5, prominent abaxially, margin white cartilaginous, base slightly narrowed and clasping. Upper leaves small. Umbels numerous, 1.2–4 cm across; bracts 1–3, subulate, 0.5–4 × 0.2–0.6 mm, unequal, deciduous; rays (3–)4–6(–8), 1–2 cm, very slender, spreading. Shrub forest margins, sunny mountain slopes, dry grasslands; 100–2300 m. Anhui, Gansu, Guangxi, Hebei, Heilongjiang, Jiangsu, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi [Japan, Korea, Mongolia, Russia].