Asarum asperum
| Asarum asperum | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Magnoliids |
| Order: | Piperales |
| Family: | Aristolochiaceae |
| Genus: | Asarum |
| Species: | A. asperum
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| Binomial name | |
| Asarum asperum | |
| Synonyms | |
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Heterotropa aspera (F.Maek.) F.Maek. | |
Asarum asperum is a species of flowering plant in the pipevine family, Aristolochiaceae. It is endemic to Japan, where it is found on Shikoku and in the western regions of Honshu.[1] It is particularly common in the vicinity of Kyoto and Nara.[2]
It is a perennial that produces thick evergreen leaves, which are ovate-orbicular and have a subhastate base.[1] It produces ground-level maroon flowers, that are pollinated by insects. The flowering tube is prominently constricted at its apex. It blooms in April.[1] It forms colonies on the forest floor, where it often grows co-occurs with Ainsliaea cordifolia, with which it bears a resemblance.[2]
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Detail of flowers
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References
[edit]- ^ a b c Ohwi, Jisaburo (1965). Flora of Japan. Smithsonian Institution. p. 399.
- ^ a b Yinger, B.R. (1983). A horticultural monograph of the genus Asarum, sensu lato, in Japan (PDF) (Master's Thesis). University of Delaware. Retrieved 2018-12-10.[permanent dead link]