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Breeding Systems

12-Protandry

[FMP-field: image]

Protandry — In the first day flower, the anthers are shedding pollen and the stigma is not receptive. In the second day flower, the stigmas are receptive, but the pollen has already been shed. It is rare in perfect flowers to have both A and G mature simultaneously.

Photos taken by K. R. Robertson of plants in Champaign, Illinois.

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