Studio shot looking into spiral form of spathe or floral bract surrounding central, yellow spadix or floral spike.

Lettuce, Lactuca sativa 'Multy'.

Mizuna, Brassica rapa nipposinica.

Lettuce.

Maple, Japanese maple, Acer palmatum, Studio shot of orange coloured leaf against green background.

Smoke bush, Cotinus coggygria, Studio shot of orange coloured leaf against green background.