Bupleurum L.
Glabrous, annual or perennial herbs, or rarely shrubs. Lvs simple, entire or rarely serrulate. Umbels simple or compound, usually pedunculate; bracts present or 0, simple; bracteoles usually present, simple. Petals usually yellow, rarely white to purplish, with entire, acute, inflexed apex; calyx teeth 0. Fr. usually ovoid or oblong, terete, not beaked, spineless, but often papillose or tuberculate; commissure narrow; ribs 5 per mericarp, equal, slender or winged; vittae 1-5 in furrows, sometimes 0 in ripe fr.
Key
Lvs linear to linear-lanceolate or spathulate; bracteoles lanceolate; fr. 1-2 mm long
c. 150 spp., Europe, Asia, Africa, N. America. Naturalised spp. 2.
