Bupleurum subovatum Link ex Spreng., it is an annual, erect, up to 1 m tall, glabrous-glaucous, stout herb with conspicuously furrowed, ± angular stems. Basal and lower leaves oblong-narrowly ovate, oblanceolate or elliptical, 3-8 x 1-2.5 cm, acute but not long acuminate; upper leaves broadly ovate, 2-8 x 1.5-3 cm, acute-apiculate, perfoliate. Umbels 3-5, rayed, on terminal and axillary peduncles; rays sub equal, 1-2.5 cm long, glabrous. Bracts absent. Umbellules 15-25-flowered, pedicels up to 2 mm long, unequal. Bractlets mostly 5, broadly ovate, 4-15 x 3-10 mm. sub equal, pale-green, basally, ± connate, apiculate at the apex. Petals broadly oblong, 0.5-0.7 x 0.8 mm, much inflexed. Anthers suborbicular, yellow. Styles shorter than stylopodium. Fruit oblong-ovoid, 3.5 – 4.5 (-5) x 3-3.5 mm, dark brown; mericarps conspicuously 5-ribbed with sharp rib margins, ± pruinose, irregularly tuberculate in furrows.
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