Horsebalm (Collinsonia)
Description
Collinsonia is a genus of flowering plants in the family Lamiaceae. It is native to East Asia and eastern North America.It was named for the English botanist Peter Collinson (1694-1768) by Carl Linnaeus in Species Plantarum in 1753.It is in the tribe Elsholtzieae, a small tribe of only 5 genera.In order of their number of species, they are Elsholtzia, Mosla, Collinsonia, Perilla, and Perillula. The circumscription of species in Collinsonia has been a source of confusion, and many names have been published. Some authors have recognized as many as 10 species. In 2006, the genus was revised with only four species recognized. The following list of species follows the World Checklist from Kew Gardens in London.
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: Lamiales
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Family: Lamiaceae
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Genus: Collinsonia
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