kingdom Plantae - plants »  divisio Magnoliophyta - flowering plants »  class Rosopsida - eudicots » order Malpighiales »  family Violaceae »  tribus Violeae > genus Viola > Viola sect. Plagiostigma Godr.  > Viola subsect. Adnatae W. Becker 

Viola eizanensis (Makino) Makino

| Bio Lib | Japanese Wild Flowers (Violaceae) | GRIN |

Common Name: eizan-saishin, eizan-sumire, ezo-sumire [Mt. Hiei viola, Eizan violet ]   エイザンスミレ えいざんすみれ

Synon.: Viola chaerophylloides (Regel) W. Becker var. eizanensis (Makino) Ohwi; Viola dissecta Ledebour var. eizanensis Makino; Viola dissecta Ledebour var. chaerophylloides (Regel) Makino forma eizanensis (Makino) E. Ito 

Description: Leaves 5-9 cm length (in flowering time).Flowers white or pink 2-2.5cm, flowering in April to May. Perennial plants. 

Distributional Range:  Native Asia-Temperate EASTERN ASIA: Japan [Honshu, Kyushu, Shikoku]

Habitat: Viola eizanensis  grows in deciduous forests in low mountains from Honshu to Kyushu, and is often found in slightly damp places 

References:

1. Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) URL: www.skud.info

2. Encke, F. et al. 1984. Zander: Handwörterbuch der Pflanzennamen, 13. Auflage

3. Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening Note: = Viola dissecta Ledeb.; lists as V. eizanensis Makino

4. Igari, M. 1996. Wild violets of Japan Note: book almost entirely in Japanese

5. Iwatsuki, K. et al. 1993-. Flora of Japan.

6. Liberty Hyde Bailey Hortorium. 1976. Hortus third. Note: = Viola dissecta var. chaerophylloides (Regel) Makino

7. Ohwi, J. 1965. Flora of Japan (Engl. ed.). Note: = Viola dissecta var. chaerophylloides f. eizanensis (Makino) E. Ito