Bupleurum gerardi All., it is an annual herb, erect. up to 50 cm tall, dichotomously or corymbosely branched from c. the middle, glabrous with patent-sub erect, angular, sulcate branches. Leaves linear, (10-) 20-100 (-110) x 1-4 mm, amplexicaul but not sheathing at base, acute acuminate at the apex, conspicuously 3-veined. Umbels 5-6 (-7l-rayed, on terminal and antiphyllous, 8-30 mm long, slender, erect peduncles; rays filiform, unequal, 3-25 mm long, angular, glabrous. Bracts 3-5, linear-subulate, 3-15 x 0.5-1 mm. unequal minutely scabridulous on margins, cuspidate, 1-3-nerved. entirely herbaceous and opaque between veinlets. Umbelsns mostly 6-flowered. Pedieels up to 2 mm long. Bracteoles 5, akin to bracts, mostly less than 6 mm long. Petals broadly oblong, c. 0.3-0.4 mm long, strongly incurved emarginate at apex. occasionally ± papillate dorsally. Anthers yellow, suborbicular; styles shorter than the flattish stylopodium. Fruit oblong-prismatic c. 2-2.5 mm long, dark brown; mericarps glabrous with 5 conspicuous filiform ribs.
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