Corydalis incisa

Corydalis incisa, incised fumewort, is an annual or biennial herbaceous species of plant in the poppy family.[1] It is also known as purple keman or murasa-kike-man. Some authorities report it in the family Fumariaceae.[2] The wildflower is native to Japan, Korea, Taiwan, and China, found in forests, clearings, and irrigation channels.[3]

Corydalis incisa
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Ranunculales
Family: Papaveraceae
Genus: Corydalis
Species:
C. incisa
Binomial name
Corydalis incisa
(Thunb.) Pers.

Incised fumewort is an introduced species in the United States, with populations in New York, Pennsylvania, Maryland, Virginia, West Virginia, North Carolina, Tennessee, and the District of Columbia.[2][4] 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, which attracts dispersing ants. Apparently thriving in fine alluvial sediments, Corydalis incisa forms dense stands, crowding out more desirable riparian understory plants.[2][3][5]

References
  1. "Corydalis incisa (Thunb.) Pers". Encyclopedia of Life. Retrieved 8 April 2019.
  2. "Weed Risk Assessment for Corydalis incisa (Thunb.) Pers. (Papaveraceae) – Incised fumewort" (PDF). United States Department of Agriculture Animal and Plant Health Inspection Service. 1 August 2017. Retrieved 22 April 2019.
  3. "Invasive Plants: Emerging Invasive: Corydalis incisa". Mertz Library. New York Botanical Garden. Retrieved 15 April 2019.
  4. EDDMapS. "incised fumewort Corydalis incisa (Thunb.) Pers". Early Detection & Distribution Mapping System. The University of Georgia - Center for Invasive Species and Ecosystem Health. Retrieved 29 April 2019.
  5. Atha, Daniel; Schuler, Jessica A.; Lubman Tobing, Sarah (2014). "Corydalis incisa (Fumariaceae) in Bronx and Westchester Counties, New York" (PDF). Phytoneuron. 96: 1–6.
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