Chrysosplenium tosaense

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.^[1][2][3]

Chrysosplenium tosaense
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Saxifragales
Family:	Saxifragaceae
Genus:	Chrysosplenium
Species:	C. tosaense
Binomial name
Chrysosplenium tosaense (Makino) Makino ex Sutô[1][2]
Synonyms
Chrysosplenium flagelliferum var. tosaense[1]

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).^[1][2][4] In 1935, Sutō Chiharu elevated the variety to species rank.^[2] The specific epithet relates to the type locality, Nanokawa in Kōchi Prefecture (formerly Tosa Province).^[1]

Description

Chrysosplenium tosaense grows to a height of 5–17 centimetres (2.0–6.7 in) and flowers from April to May.^[1]

Distribution

Chrysosplenium tosaense is endemic to Japan, where it occurs from the Kantō region to the Chūgoku region of Honshū, Shikoku, and Kyūshū.^[2][3]