Planera

Planera is a genus of flowering plants with a single species, Planera aquatica,[2] the planertree[3] 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.[4]

Water elm

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Ulmaceae
Genus: Planera
J.F.Gmel.
Species:
P. aquatica
Binomial name
Planera aquatica
J.F.Gmel.[2]
Natural range of the water elm

References
  1. IUCN SSC Global Tree Specialist Group.; Botanic Gardens Conservation International; et al. (BGCI) (2020). "Planera aquatica". IUCN Red List of Threatened Species. 2020: e.T152858603A152905699. doi:10.2305/IUCN.UK.2020-1.RLTS.T152858603A152905699.en. Retrieved 12 April 2020.
  2. "Search results for Planera". The Plant List. Retrieved 1 March 2016.
  3. "Planera aquatica". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 7 October 2015.
  4. "Water Elm Ulmaceae Planera aquatica J.F. Gmel". Virginia Tech Department of Forestry and Environmental Conservation. Retrieved December 15, 2014.


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