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Sunflower - from Weed to Seed


A wild Sunflower, Helianthus annuus, sprang up in my garden. This page displays the journel I kept with a camera - the pictures show the floret developing from bract and bud to edible seeds. One sees the corolla, the androecium, the style, the pollen and the stigma-surfaces. This is a member of the Asteraceae, tribe Heliantheae. Sunflower - macro shots of floret development


Intro and Overview
The Corolla
5 Anthers make an Androecium
The Pollen is released.
The Stigma
The Ovary
Drying Out?
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