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Description: | The petal-like leaves grew around the joints of a slender stem of Sphenophyllum. Carboniferous varieties of these plants included trees that that grew up to 30metres tall and had trunks up to 1 metre in diameter. They often formed thickets along the edge of rivers and lakes in the tropical coal-forming forests. Horsetails plants like these reproduce using spores, which 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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