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Biol 195 homework plant-bingo

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  1. Thanks Laura,
    this works. The Iris is a good example of adnation. For the Asteraceae, there you have a head of flowers, and the head is subtended by bracts (phyllaries), those green structures are not the sepals. Once you pull the head apart you will find individual white flowers, the white structures are the petals, and they are inserted above the ovary, and a little bit below you will find a hairy structure, that is what is left over from the sepals, that is the pappus, and in dandelions those umbrella-shpaed fuzzy structures are the pappus, they generally help in wind dispersal of the seeds of the sun flower family seeds.

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