Orchid, Lady's slipper orchid, Cypripedium 'Parville', Yellow coloured flower growing outdoor.

Hellebore, Helleborus, Studio shot of peach and yellow multi-coloured flower head on stem.

Clematis, Studio shot of single purple flower with yellow stamen.

Golden Groundsel, Leopard plant 'Desdemona' Ligularia dentata 'Desdemona', White-tailed Bumble bee, Bombus lucorum, covered in pollen from flowerhead.

Coneflower, Black-eyed Susan, Rudbeckia, Close up of yellow flower growing outdoor.

Coneflower, Black-eyed Susan, Rudbeckia, Close up of yellow flower growing outdoor.

Yellow chamomile, Anthemis tinctoria, Yellow coloured flowers in bloom growing outdoor.

Yellow chamomile, Anthemis tinctoria, Yellow coloured flowers in bloom growing outdoor.

Buttercup, Meadow buttercup, Ranunculus acris, Yellow flowers in a meadow in Upper Teesdale, North Pennines, Co Durham.

Buttercup, Meadow buttercup, Ranunculus acris, Yellow flowers in a meadow in Upper Teesdale, North Pennines, Co Durham.

Buttercup, Meadow buttercup, Ranunculus acris, Yellow flowers in a meadow in Upper Teesdale, North Pennines, Co Durham.

Anemone, Anemone blanda, Windflower Anemone blanda, Side view of single flower growing outdoor showing yellow stamen.

Maple Leaf, Cappadocian Maple, Yellow leaves in autumn.

Daisy, Shasta Daisies, Leucanthemum Maximum, Close up detail of flower in bloom showing white pets and yellow stamen.

Dahlia, Close-up of red and cream coloured flower showing detail of petal pattern.

Daisy, Daisy Bellis, Side view of flowers with white petals and yellow stamen growing outdoor.

Rudbeckia, Golden Cone Flowers, Rudbecka, Side view of flowers with yellow petals and dark stamen growing outdoor.

Honeysuckle, Lonicera Periclymenum, Studio shot of yellow flower against white background.

Golden Rod, Dicotyledon, Growing outdoor.

Allium, Allium Giganteum, Giant alliums in a garden meadow of wild flowers.

Daffodil, Narcissus, A row of dafodils growing outdoor.

Lily, Calla Lily, Zantedeschia, Studio image of white flower with green stem and leaf.

Sunflower, Helianthus, A field of sunflowers near Sandeep in the Dordogne, France

Cosmos, Low side view of mauve coloured flower growing outdoor showing stamen.