ICTeachers Photo Library
Science Topics: Flowers, Fruit and Seeds
Page 3

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lilyflr3.jpg lilystamens.jpg lilystamens_style.jpg (61074 bytes) nettleflowers.jpg whitedeadnettle.jpg
This lily flower shows the central, 3-lobed stigma, six stamens, three petals and three sepals (trying their best - and succeeding - to look like extra petals). Close up views of the stamens and style of the Lily flower. You can easily see the pollen grains. The stinging nettle is a wind pollinated plant. If you did not know that these tiny green bundles were spikes of flowers you would never guess. The white deadnettle may look like a stinging nettle but it is not even in the same family. These insect pollinated flowers are members of the mint family. When an isect crawls onto the bottom petal its weight causes the stamens to dip down and dab pollen onto its back!
Mike Freedman Mike Freedman Mike Freedman
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plantainflowers.jpg poppyopening.jpg redcurrant_immat.jpg willow_catkin.jpg broccoli.jpg (108260 bytes)
Plantains are common in lawns and fields. The little heads of wind pollinated flowers poke out their stamens so that the pollen can more easily be blown away. A freshly opened Poppy flower showing the many black stamens and the  stigmata arranged like spokes on a wheel After flowering, fruit begin to develop. This photo shows immature redcurrants. Female willow catkins. Each catkin is a bunch of flowers. Each one has its stigma hanging out to catch any wind-borne pollen. A head of purple sprouting broccoli
Mike Freedman Mike Freedman Mike Freedman Mike Freedman Mike Freedman
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Many flowers are pollinated by insects. This bumble bee, feeding on a lavender flower, has grains of pollen stuck to its fur. A daffodil flower opening...
Two copies of this photo at different sizes.
... and the fully opened flower.
Two copies of this photo at different sizes.
Mike Freedman
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Plants will grow wherever they can. This snowdrop growing through a crack between paving slabs. The greyish patches on the slabs are lichen, a primitive plant that is a combination of alga and fungus. Although they are very primitive lichens are very important as first colonisers of barren areas, breaking down the surfaces of rocks with their roots, and as indicators of air quality. Tradescantia, named after John Tradescant,  the Elder (1570s to 1638), gardener to the Earl of Salisbury at Hatfield and later to the Duke of Buckingham. He and his son, also John, collected plants from around the known world. Himalayan Honeysuckle is a large spreading herbaceous plant growing up to 2 metres high.
The white flowers grow in hanging bunches. Each flower is protected by special brightly coloured leaves known as bracts.
Lynn Mortlock Mike Freedman
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This page was last updated on 26 October 2007