Week 49: Lesser Celandine ('Ranunculus ficaria')

The Lesser Celandine was @SpeciesofUK from 3rd to 9th February, 2014.

Lesser celandine is a perennial member of the buttercup family. It is native to Europe and western Asia and has become invasive in North America.[1]

Lesser Celandine
[Flickr Creative Commons © Steve Chilton]

In the UK, lesser celandine is widespread in woods, hedgerows and on the banks of streams, and can also be found in gardens where it is considered a weed.[2] 

Week 40: Chickweed (‘Stellaria media’)

Chickweed was @SpeciesofUK from 28^th October to 3^rd November, 2013.

Common chickweed, Stellaria media, is one of the UK's commonest weeds.

Chickweed
[Flickr Creative Commons © David Illig]

It is an ephemeral species requiring only around thirteen weeks to flower and set seed. It can appear throughout the year.[1]

Week 34: Rosebay Willowherb (‘Chamerion angustifolium’)

Rosebay Willowherb was @SpeciesofUK from 9^st to 15^th September, 2013.

Rosebay willowherb is easily recognisable from its tall, pink flower spikes crowding in thick stands in open spaces like verges and waste ground.[1]

Rosebay Willowherb
[Source: Flickr Creative Commons © Anita363]

It is a member of the Onagraceae family, which includes the willowherbs, evening primroses and fuchsias.