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The naming of parts | by IanSeccombe
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The naming of parts

These are the parts of the sweet pea, top left: the large vertical petal at the back is the 'standard' or banner; top right, beneath the standard are two lateral petals referred to as the 'wings'; bottom left, beneath the wings are a further two petals which join to form the 'keel'. Bottom right, the keel encloses the reproductive structures - ten orange-brown anthers supported on thin white filaments around a single hairy green pistil formed of the stigma and style.

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Taken on August 8, 2012