''Corydalis incisa'', incised fumewort, is an annual or biennial herbaceous species of plant in the poppy

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

. It is also known as purple keman or murasa-kike-man. Some authorities report it in the family Fumariaceae. The wildflower is native to Japan, Korea, Taiwan, and China, found in forests, clearings, and irrigation channels. Incised fumewort is an

introduced species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there ...

in the United States, with populations in New York, Pennsylvania, Maryland, Virginia, West Virginia, North Carolina, Tennessee, and the District of Columbia. The first reported populations were found in Bronx and Westchester Counties in 2005 and 2014. The plant can readily escape cultivation; it spreads from seeds explosively ejected from the fruit. The seed contains an

elaiosome Elaiosomes ( grc, ἔλαιον ''élaion'' "oil" + ''sóma'' "body") are fleshy structures that are attached to the seeds of many plant species. The elaiosome is rich in lipids and proteins, and may be variously shaped. Many plants have elaio ...

, which attracts dispersing ants. Apparently thriving in fine alluvial sediments, ''Corydalis incisa'' forms dense stands, crowding out more desirable riparian understory plants.

References

External links

Species description
in Persoon, ''Synopsis Plantarum'' (1807) {{Taxonbar, from=Q163130 Corydalis Flora of Japan Flora of Taiwan Flora of China