{{Short description|Species of flowering plant}}{{Speciesbox | image = Chrysosplenium tosaense 4.JPG | status = | status_system = | status_ref = | genus = Chrysosplenium | species = tosaense | authority = (Makino) Makino ex Sutô<ref name="Makino"/><ref name="Sutô"/> | synonyms = ''Chrysosplenium flagelliferum'' var. ''tosaense''<ref name="Makino"/> }} {{nihongo|'''''Chrysosplenium tosaense'''''|タチネコノメソウ|Tachinekonomesō}} is a species of flowering plant in the family Saxifragaceae that is endemic to Japan.<ref name="Makino">{{cite journal |url=https://www.biodiversitylibrary.org/page/42008061 |title=Observations on the Flora of Japan |author=Makino, T. |journal=The Botanical Magazine |issn=0006-808X |year=1901 |volume=15 |page=32}}</ref><ref name="Sutô">{{cite journal |url=http://www.jjbotany.com/pdf/JJB_011_391_403.pdf |script-title=ja:日本産猫自草屬要記(其ー)|trans-title=Diagnoses breves ''Chrysospleniorum'' Japonicarum (I) |language=ja |author=Sutô Tiharu 須藤千春 |journal=Journal of Japanese Botany |issn=0022-2062 |year=1935 |volume=11 |issue=6 |pages=391–403 (397 f.)}}</ref><ref name="Endemic">{{cite book |script-title=ja:日本の固有植物 |trans-title=Endemic Plants of Japan |language=ja |author1=Katō, M. |author-link=:ja:加藤雅啓 |author2=Ebihara, A. |author-link2=:ja:海老原淳 |date=March 2011 |publisher=Tokai University Press |isbn=978-4-486-01897-1 |pages=72, 237, 426}}</ref>

==Taxonomy== The species was first described, as ''Chrysosplenium flagelliferum'' var. ''tosaense'', by Japanese botanist Makino Tomitarō in 1901 (his 1892 mention of ''Chrysosplenium tosaense'' is a ''nomen nudum'').<ref name="Makino"/><ref name="Sutô"/><ref>{{cite journal |url=https://www.biodiversitylibrary.org/page/41590683 |title=Notes on Japanese Plants XV |author=Makino, T. |journal=The Botanical Magazine |issn=0006-808X |year=1892 |volume=6 |page=52}}</ref> In 1935, Sutō Chiharu elevated the variety to species rank.<ref name="Sutô"/> The specific epithet relates to the type locality, Nanokawa in Kōchi Prefecture (formerly Tosa Province).<ref name="Makino"/>

==Description== ''Chrysosplenium tosaense'' grows to a height of {{convert|5|-|17|cm}} and flowers from April to May.<ref name="Makino"/>

==Distribution== ''Chrysosplenium tosaense'' is endemic to Japan, where it occurs from the Kantō region to the Chūgoku region of Honshū, Shikoku, and Kyūshū.<ref name="Sutô"/><ref name="Endemic"/>

==References== {{Commons category|Chrysosplenium tosaense}} {{Reflist}}

{{Taxonbar|from=Q15606193}}

tosaense Category:Endemic flora of Japan Category:Plants described in 1901 Category:Taxa named by Tomitaro Makino