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Perennial herb. Flowering stems up to 2.5 m high; erect, glabrous. Leaves radical and cauline, compound; blade pinnate; leaflet margins coarsely, irregularly toothed, teeth spreading. Flowers: involucre with many bracts; white; Oct.-Apr. Fruit ovate or oblong, laterally flattened, indistinctly ribbed.
Erect or spreading, stoloniferous perennial, up to 1 m tall. Leaves pinnate, leathery, leaflets sessile, paired, elliptic to ovate, finely toothed. Flowers white, in leaf-opposed umbels. Fruit subglobose, mericarps isodiametric, ± ribbed, homomorphic, vittae present, rib oil ducts inconspicuous.
Stoloniferous perennial to 1 m. Leaves simple pinnate, leaflets sessile, paired, elliptic to ovate, finely toothed. Flowers in compound umbels, white. Fruit subglobose, mericarps isodiametric, slightly ribbed, vittae present, rib oil ducts inconspicuous.
Perennial herb, up to 2.5 m high, glabrous. Leaflet margins coarsely and rather irregularly toothed. Bracts present. Fruit not strongly dorsiventrally compressed. Flowers white.
Distinguished from B. repanda by the generally unevenly serrate leaf margins with straight, triangular teeth and the large vittae that form a continuous ring around the seed.
