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sepal

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Sepal


Part of a flower, usually green, that surrounds and protects the flower in bud. The sepals are derived from modified leaves, and are collectively known as the calyx.

In some plants, such as the marsh marigold Caltha palustris, where true petals are absent, the sepals are brightly coloured and petal-like, taking over the role of attracting insect pollinators to the flower.

© Research Machines plc 2008. All rights reserved. Helicon Publishing is a division of Research Machines plc.


 
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anther
biomass
carbon dioxide
carpel
chlorophyll
dispersal
fertilization
flower
fruit
growth (biology)
leaf
light
mesophyll
mineral salt
nectar (botany)
ovary
ovule
petal
photosynthesis
plant
pollen
pollination
root hair
seed
sepal
stamen
stigma
stoma
water

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