Amethystea

Template:Taxobox Amethystea is a genus of plants in the Lamiaceae, first described for modern science by Linnaeus in 1753. It has only one known species, Amethystea caerulea, commonly known as blue amethystea,<ref>Template:Cite book</ref> native to China, Japan, Korea, Central Asia (Tibet, Xinjiang, Kazakhstan, Tajikistan, Kyrgyzstan), and parts of Russia (Altai, Chita, Irkutsk, Buryatiya, Primorye).<ref name=j>Kew World Checklist of Selected Plant Families</ref><ref>Muldashev, A.A. (2011). New floristic records for Bashkiria. Botanicheskii Zhurnal. Moscow & Leningrad 96: 654-660.</ref><ref>Sheremetova, S.A., Ebel, A.L. & Buko, T.E. (2011). Supplement to the flora of Kemerovo region since 2001 till 2010. Turczaninowia 14(1): 65-74.</ref><ref>Flora of China Vol. 17 Page 55, 水棘针 shui ji zhen, Amethystea caerulea Linnaeus, Sp. Pl. 1: 21. 1753. </ref>