Poppy, Papaver, Seed heads growing outdoor in a garden.

Nigella damascena 'love in a mist' flower seed heads growing outdoor.

Watermelon, Citrulus lanatus, Outdoor shot of sliced fruit showing red flesh and seeds.

Watermelon, Citrulus lanatus, Outdoor shot of sliced fruit showing red flesh and seeds.

Poppy, Opium Poppy, Papaver and Comcockle, Agrostemma githago, Studio shot of seedheads and seeds.

Pomegranate, Punica granatum, Pink subject, Pink background.

Carrot, Wild carrot, Daucus carota. Close side view of one seedhead with umbels of small hairy seeds.

Carrot, Wild carrot, Daucus carota. Side view of one seedhead with umbels of small hairy seeds and a flower soft focus behind.

Eulalia grass, Miscanthus sinensis 'Kleine Silberspinne', Close abstract pattern of fronds bearing fluffy seeds, backlit.

Maple, an Acer cultivar, Close view of winged seeds on twigs in winter light.

Field maple, Acer campestre, Close view of winged seeds on twigs in winter light.

Bear's breeches, Acanthus mollis, Side view of seedhead bearing bright green fruit containing seeds on a plant in autumn.