A common species of dry ground, hedgerows and arable fields.
|Sub-group||Cabbage Family - Crucifereae|
The cabbage family are also known as brassicas. They have four petals in a cross shape hence the usual name of crucifers, cross-shaped. This a diverse family of manly yellow or white blooms but the four petals are diagnostic although the flowers may come in spikes, clusters or individually.
|Book Refererence||Crucifers and Bedstraws|