Sprawling, rhizomatous perennial up to 45cm, roots fleshy and swollen. Leaves straggling, channelled, soft and spongy, usually hairy; white flowers in sprawling, elongate, usually hairy raceme with conspicuous bracts; fruits long, 6-14mm, hairless, on deflexed stalks.

Young flower shoots can be eaten before the flowers open and are used in stews and bredies.