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banner
plant anatomy
Also known as: standard
Learn about this topic in these articles:
structure of sweet pea flower
- In Fabales: Classification of Fabaceae
…at the top, called the banner, or standard, that develops outside of the others before the flower has opened, two lateral petals called wings, and two lower petals that are usually fused and form a keel that encloses the stamens and pistil. The whole design is adapted for pollination by…
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