Osteospermum yellow, a bunch of flowers wrapped in petals.

Big sunshine yellow ray florets ring an array of disc florets on day 1.

Disc florets opening from the outside in. Tiny buds, fused sepals with a blue bead necklace.

Buds, pumped from a central reservoir, spiral outwards. Fibonacci coordinates the dance as usual.

Disc floret buds with blue beaded tips.

When the disc buds burst open five fused anthers, shaped like a pencil, slide into view. There is a style with a stigma on top if you look carefully.

By day 8 all is revealed

Like one of those flower cartons you see in supermarkets, a complete disc flower is finally on show. A thick style, with a distinct bilobed stigma. It rose through the fused anthers and is covered in pollen.

A bouquet of flowers wrapped in ray flower petals.