Oak, Acorn, Quercus, Close up of green acorns growing on the tree.

Olive, Sweet olive, Olea europaea var. sativa, Aerial view of mass of harvested olives.

Foxtail lily, Narrow-leaved foxtail lily, Green coloured flowerettes growing outdoor

Foxtail lily, Narrow-leaved foxtail lily, Green coloured flowerettes growing outdoor

Beech, Common Beech, Fagus sylvatica, Studio shot of single golden leaf against a white background.

Pear, Asian Pear, Pyrus pyrifolia var. ghouzouri, Golden coloured fruit growing on the tree.

Tulip, Tulipa, Single stem in glass jar vase, Artisitic textured layers added to image to produce a painterly effect.

Jacob's ladder 'Bressingham Purple', Polemonium yezoense 'Bressingham Purple', Detail of flowers growing outdoor.

Buttercup, Meadow buttercup, Ranunculus acris, Mass of small yellow coloured flowers growing outdoor.

Tulip, Tulipa, Tulips as a colourful artistic representation.

Iris, White flower emerging as a colourful artistic representation.

Tulip, Tulipa, Yellow flowers as a colourful artistic representation.