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Description: | These jointed stems are from the horsetail tree Calamites, which grew up to 10m tall in the Carboniferous rain forests. They were common plants that often formed thickets along the edges of rivers and lakes. Their leaves were attached to the closely spaced joints in the stem. They reproduced from spores that grew in cases (sporangia) arranged in cones attached to the tips of stems. | License: | http://www.imagine.org.uk/about/copyright/ | Rights holder: | Tyne & Wear Museums | Subjects: | fossils natural world | Source: | Tyne and Wear Imagine | Identifier: | http://www.imagine.org.uk/details/index.... | Go to resource |
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