Orchid, Orchidaceae, Close up of blue dyed flowers.

Orchid, Orchidaceae, Close up of blue dyed flowers.

Orchid, Orchidaceae, Close up of blue dyed flowers.

Orchid, Moth orchid, Phalaenopsis, Studio shot offlower against blue background.

Orchid, Blue vanda with pale blue petals marked with checkerboard pattern at the 2011 Orchid Festival in Chiang Mai, Thailand.

Orchid, Blue vanda with pale blue petals marked with checkerboard pattern at the 2011 Orchid Festival in Chiang Mai, Thailand.

Orchid, Blue vanda with pale blue petals marked with checkerboard pattern at the 2011 Orchid Festival in Chiang Mai, Thailand.

Orchid, Cattleya.

Orchid, Moth orchid, Phalaenopsis.

Vanilla, Vanilla planifolia.

Orchid, Epidendrum radicans.

Orchid.

Shirley poppy, Papaver rhoeas Shirley series, black and white side view showing stamens and stigma.

Opium poppy, Papaver somniferum, close up showing the stamens and stigma.

Opium poppy, Papaver somniferum, close up showing the stamens and stigma.

Opium poppy, Papaver somniferum, close up showing the stamens and stigma.

Opium poppy, Papaver somniferum, close up showing the stamens and stigma.

Opium poppy, Papaver somniferum, close up showing the stamens and stigma.

Opium poppy, Papaver somniferum, close up showing the stamens and stigma.

Love-in-a-mist, Nigella damascena, close up showing stamens against a blue background.

Dandelion, Taraxacum officinale, seedhead growing amongst the field Poppies, Papaver rhoeas.

Opium poppy, Papaver somniferum, close up of a bud opening.

Sweet rocket, Dame's rocklet, Hesperis matronalis flower, purple flower cluster.

Chilli pepper, Capsicum annuum, strings of chilies hung up to dry.