Bupleurum rotundifolium

Annual to 80 cm high. Lower leaves elliptic to oblong, 3–6.5 cm long, obtuse and mucronate; upper leaves ovate to orbicular, perfoliate, obtuse and mucronate, with numerous veins. Inflorescence much-branched; involucral bracts absent; rays (3–)5–10, unequal, filiform; umbellules usually 8–12-flowered; bracteoles 5–6, elliptic to ovate, 5–9-veined, acuminate to cuspidate, exceeding flowers. Fruit elliptic to broadly elliptic, 2.8–3.7 mm long, mericarps smooth; carpophore undivided, not persistent. Flowers spring–summer.