Annual or perennial herbs, glabrous. Leaves simple, entire, venation parallel, sheathing at base, without a distinct petiole. Inflorescence a compound umbel; involucral bracts present or absent; bracteoles 4–7. Flowers bisexual, yellow or yellow-green; sepals usually absent; petals c. orbicular, apex inflexed; nectary low, entire. Fruit obovoid or oblong-globose, sometimes laterally compressed; mericarps with 5 filiform or narrow-winged, conspicuous ridges; carpo-phore free.
About 150 species, in Eurasia, Africa and North America; 3 naturalised in Australia.
Bupleurum rotundifolium L. (Hare's-ear or Modesty) was once collected from the Lower Loddon River area but has not persisted there.