Importance

A widespread weed, especially in wetter areas and in horticulture.

1. Cotyledons short stalked and frequently with a brownish blotch or streak in the middle.

2. First true leaves are oval and light green, usually with a dark blotch.

3. An upright typically spring-germinating annual with small pale yellow 'flowers' in a cup shaped leaf-like structure resembling a caper when unopened.