Asarum asperum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Piperales
Family: Aristolochiaceae
Genus: Asarum
Species:
A. asperum
Binomial name
Asarum asperum
F.Maek.
Synonyms

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]

References

  1. 1 2 3 Ohwi, Jisaburo (1965). Flora of Japan. Smithsonian Institution. p. 399.
  2. 1 2 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.
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