Ixeris stolonifera

Ixeris stolonifera, commonly called creeping lettuce,[1] is a species of flowering plant in the aster family (Asteraceae). It is native to east Asia, where it is found in China, Japan, and Korea.[2] It is a common and widespread species in Japan.[3]

Ixeris stolonifera

Ixeris stolonifera
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Tribe: Cichorieae
Genus: Ixeris
Species:
I. stolonifera
Binomial name
Ixeris stolonifera

Its natural habitat is on open mountain slopes, often is rocky areas with shallow soil. However, it is also found in disturbed areas such as cultivated fields and abandoned ground.[3][2][4] It has naturalized locally in the northeastern United States.[5][6]

Ixeris stolonifera is a low, stoloniferous perennial, with flowering scapes growing to approximately 15 cm (5.9 in) tall. It produces yellow heads of flowers in spring.[3] It can be confused with the similar-looking Ixeris japonica, but I. stolonifera is distinguished by its smaller inflorescences, smaller fruits, and more ovate-orbicular leaves.[4][7]

References
  1. USDA, NRCS (n.d.). "Ixeris stolonifera". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 4 November 2018.
  2. Ixeris stolonifera Flora of China
  3. Ohwi, Jisaburo (1965). Flora of Japan. Smithsonian Institution. p. 927.
  4. Ixeris stolonifera (in Japanese), Okayama University Plant Ecology Laboratory
  5. Ixeris stolonifera Flora of North America
  6. "Ixeris stolonifera". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 4 November 2018.
  7. Ixeris stolonifera (in Japanese), Flora of Mikawa
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