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Calamites is a genus of extinct arborescent (tree-like) horsetails to which the modern horsetails (genus Equisetum) are closely related. [1] Unlike their herbaceous modern cousins, these plants were medium-sized trees, growing to heights of 30–50 meters (100–160 feet). [2]
Calamites, genus of tree-sized, spore-bearing plants that lived during the Carboniferous and Permian periods (about 360 to 250 million years ago). Calamites had a well-defined node-internode architecture similar to modern horsetails, and its branches and leaves emerged in whorls from these nodes.
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Oct 2, 2022 · Like ferns, Calamites were spore-bearing plants; they carried the spores in elongate fruits that resembled cones of pine trees (similar to the strobilus of today’s horsetail). Calamites also spread through rhizomes to create clone plants (just like Aspens do today).
Calamites are a type of horse tail plant that lived in the coal swamps of the Carboniferous Period. They were prehistoric relatives of the modern horse tail, but looked more like a pine tree and grew up to 40 feet.
Jan 5, 2023 · Calamites is a fossil “horsetail” or “scouring” rush. Rushes are reed-like plants with jointed stems. They belong to a class of plants called sphenopsids. Modern sphenopsids include Equisetum. The scientific name, Calamites, is used to describe trunks, stems, and branches of an extinct type of sphenopsid plant.
Calamites are an extinct plant closely related to modern horsetail ferns. These plants were common on sandy banks of coal swamps, and grew to around 100 feet tall. Their trunks are segmented, like that of bamboo, and had a distinct vertical ribbing pattern. Figure 3. Trunk Cross Section. Most of Calamite fossils are found in the form of a cast.
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Calamitaceae is an extinct family of equisetalean plants related to the modern horsetails, known from the Carboniferous and Permian periods. [1] Some members of this family like Arthropitys attained tree-like stature, with heights over 15 metres (49 ft), with extensive underground rhizomes .
