Planertree (Planera)
Description
Planera is a genus of flowering plants with a single species, Planera aquatica, the planertree or water elm. Found in the southeastern United States,it is a small deciduous tree 10-15 m tall, closely related to the elms but with a softly, prickly nut 10-15 mm diameter, instead of a winged seed. It grows, as the name suggests, on wet sites. The leaves are 3-7 cm long, with a serrated margin. Despite its common English name, this species is not a true elm, although it is a close relative of the elms (species of the genus Ulmus). It is also subject to Dutch elm disease, a disease which affects only members of the Ulmaceae. It is native to most of the southeast United States. It is hardy down to Zone 7.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Urticales
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Family: Ulmaceae
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Genus: Planera
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