IGCSE Biology 4th edition

Biology books by
D G Mackean

Buttercup, half flower

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Buttercup,  half flower

A drawing of a half-flower is a convenient method of representing flower structure. The flower is cut in halves with a razor blade. The outline of the cut surface is drawn, and the structures visible behind these are filled in.

Buttercup (Ranunculus bulbosus). There are five sepals, five petals, not joined up with nectaries at their base, but curled back in the bulbous buttercup: five petals, with nectaries at their base, not joined up, about sixty stamens, thirty or forty carpels separate from each other, with a short style, each containing a single ovule.

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