Patis (plant) explained

Patis is a genus of grasses in the Stipeae tribe of the grass family, found in China, Korea, Japan, eastern Canada, and north central and eastern United States.^[1]

The name Patis, an anagram of the closely related Stipa, was assigned by Japanese botanist Jisaburo Ohwi (1905–1977) in 1942.^{[2] [3]}

Species

Three species are recognized; each of them has a synonym. In each case, the alternative genus name is within the tribe Stipeae.

• Patis coreana (Honda) Ohwi (Korean needlegrass; Stipa coreana Honda)
• Patis obtusa (Stapf) Romasch., P.M. Peterson & Soreng (Piptatherum kuoi)
• Patis racemosa (Sm.) Romasch., P.M. Peterson & Soreng (Oryzopsis racemosa)

P. coreana and P. obusa are found in east Asia, and P. racemosa in North America.^[4]

Notes and References

1. http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:327735-2 Kew: Plants of the World Online: Patis
2. "Acta Phytotaxonomica et Geobotanica." (Acta Phytotax. Geobot. 11(3): 181. 1942).
3. Web site: The International Plant Names Index. April 27, 2020.
4. Zhang, Zhong‐Shuai, and Wen‐Li Chen. "The cytotaxonomy of Piptatherum kuoi (Stipeae, Poaceae)." Nordic journal of botany 36, no. 10 (2018): e01929. (doi:10.1111/njb.01929)