Belongs to: flowering plants

Wood sorrel Oxalis acetosella

Also known as: alleluia

Best time to see: Apr to mid May

Key facts

A creeping plant with delicate white flowers and clover-like leaves, carpeting the floor of some ancient woods

Flowers around Easter, hence its european common name 'alleluia'

Leaflets fold together in wet weather and at night

© Tony Gunton

© Owen Keen