Woodbine, Clematis virginia, A single white flower of the wild clematis.

Clematis 'Ascotiensis', close up showing stamens.

Clematis 'Ooh la la', 2 overlapping flowers.

Clematis 'Ooh la la', 2 overlapping flowers.

Clematis 'Hagley Hybrid'. Studio shot of pink flower lying with stem, leaves and bud on rusty sheet.

Yellow flowers of Clematis tangutica.

Yellow flowers of Clematis tangutica with fluffy seedheads in foreground against blue sky.

Clematis.

Clematis.

Clematis, Clematis 'Mr President'.

Clematis.

Clematis, Clematis 'Mrs Cholmon deley'.

Clematis.