Collinsonia is a genus of flowering plants in the family Lamiaceae. It is native to East Asia and eastern North America.Kew World Checklist of Selected Plant FamiliesFlora of China Vol. 17 Page 257 香简草属 xiang jian cao shu Keiskea Miquel, Ann. Mus. Bot. Lugduno-Batavi. 2: 105. 1865. Biota of North America Program, 2013 county distribution mapsAlan S. Weakley. "Collinsonia" page 745. In: Flora of the Carolinas, Virginia, and Georgia (title varying with update). (see External links below). It was named for the English botanist Peter Collinson (1694–1768) by Carl Linnaeus in Species Plantarum in 1753.Umberto Quattrocchi. 2000. CRC World Dictionary of Plant Names volume I. CRC Press: Boca Raton; New York; Washington, DC;, USA. London, UK. . It is in the tribe Elsholtzieae, a small tribe of only 5 genera.Raymond M. Harley, Sandy Atkins, Andrey L. Budantsev, Philip D. Cantino, Barry J. Conn, Renée J. Grayer, Madeline M. Harley, Rogier P.J. de Kok, Tatyana V. Krestovskaja, Ramón Morales, Alan J. Paton, and P. Olof Ryding. 2004. "Labiatae" pages 167-275. In: Klaus Kubitzki (editor) and Joachim W. Kadereit (volume editor). The Families and Genera of Vascular Plants volume VII. Springer-Verlag: Berlin; Heidelberg, Germany. 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.Collinsonia At: International Plant Names Index. (see External links below) Some authors have recognized as many as 10 species. In 2006, the genus was revised with only four species recognized.Jess A. Peirson, Philip D. Cantino, and Harvey E. Ballard Jr. 2006. "A Taxonomic Revision of Collinsonia (Lamiaceae) Based on Phenetic Analyses of Morphological Variation". Systematic Botany 31(2):398-409. The following list of species follows the World Checklist from Kew Gardens in London.
Collinsonia anisata Sims - Alabama, Mississippi, Florida, Georgia Collinsonia australis (C.Y.Wu & H.W.Li) Harley - Fujian, Guangdong Collinsonia canadensis L. - Quebec, Ontario, eastern United States Collinsonia elsholtzioides (Merr.) Harley - Anhui, Guangdong, Hubei, Hunan, Jiangxi, Zhejiang Collinsonia glandulosa (C.Y.Wu) Harley - Fujian Collinsonia japonica (Miq.) Harley - Japan Collinsonia macrobracteata (Masam.) Harley - Taiwan Collinsonia punctata Elliott - southeastern United States from Louisiana to North Carolina Collinsonia sinensis (Diels) Harley - Anhui, Jiangsu, Zhejiang Collinsonia szechuanensis (C.Y.Wu) Harley - Sichuan, Yunnan Collinsonia verticillata Baldwin ex Elliott - eastern United States from Ohio and Virginia south to Alabama
References