Description: Perennial herbs with far-creeping rhizome.
Leaves 1–2-ternately divided, the segments broad; petiole sheathing at base.
Inflorescence a terminal compound umbel; bracts and bracteoles absent; rays ± equal. Flowers bisexual, white. Sepals small. Petals obcordate, the apex inflexed. Stylopodium broadly conical.
Fruit ovoid, laterally compressed; carpophore persistent; mericarps with 5 slender ribs.
Distribution and occurrence: World: 5 species, Europe & temperate Asia. Australia: 1 species (naturalized).
Text by J. M. Powell, except for genera with authors listed
Taxon concept:
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