Rorippa

Rorippa is a flowering plant genus in the family Brassicaceae, native to Europe through central Asia, Africa, and North America. Rorippa species are annual to perennial herbs, usually with yellow flowers and a peppery flavour. They are known commonly as yellowcresses.

Rorippa
Rorippa amphibia
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Brassicales
Family: Brassicaceae
Genus: Rorippa
Scop.
Species

75–85; see text

Rorippa formerly included several species of watercress, now placed in the genus Nasturtium. In particular, R. nasturtium-aquaticum (now N. officinale) and R. microphylla (now N. microphyllum) are often referred to as species of Rorippa.

There are about 75[1] to 85[2][3] species in the genus.

Species include:[1][4][5][6][7]

Rorippa sylvestris
  • Rorippa alpina (S.Wats.) Rydb. – alpine yellowcress
  • Rorippa amphibia (L.) Bess. – great yellowcress
  • Rorippa aquatica – lakecress
  • Rorippa austriaca (Crantz) Bess. – Austrian yellowcress, Austrian fieldgrass
  • Rorippa backeri (O.E. Schulz) B. Jonsell
  • Rorippa barbareifolia (DC.) Kitagawa – hoary yellowcress
  • Rorippa benghalensis
  • Rorippa calycina (Engel.) Rydb. – persistent-sepal yellowcress
  • Rorippa cantoniensis – Chinese yellowcress
  • Rorippa columbiae (Suksd. ex B.L.Rob.) Suksd. ex Howell – Columbian yellowcress, Columbia watercress
  • Rorippa crystallina – MacKenzie River yellowcress
  • Rorippa curvipes Greene – bluntleaf yellowcress
  • Rorippa curvisiliqua (Hook.) Besser ex Britton – curvepod yellowcress, western yellowcress
  • Rorippa divaricata[8]
  • Rorippa dubia
  • Rorippa elata
  • Rorippa globosa – globe yellowcress
  • Rorippa indica Hiern. – variableleaf yellowcress
  • Rorippa intermedia – intermediate yellowcress
  • Rorippa islandica – northern yellowcress, northern marsh yellowcress
  • Rorippa laciniata[8]
  • Rorippa microtitis – Chihuahuan yellowcress
  • Rorippa palustris (L.) Bess. – common yellowcress, yellow watercress, marshcress
  • Rorippa portoricensis – Puerto Rico yellowcress
  • Rorippa ramosa – Durango yellowcress
  • Rorippa sarmentosa (G.Forst. ex DC) J.F.Macbr. – longrunner
  • Rorippa sessiliflora – stalkless yellowcress
  • Rorippa sinuata (Nutt.) Hitchc. – spreading yellowcress, west yellowcress
  • Rorippa sphaerocarpa (A.Gray) Britton – roundfruit yellowcress
  • Rorippa subumbellata Rollins – Tahoe yellowcress, Lake Tahoe yellowcress
  • Rorippa sylvestris (L.) Bess. – creeping yellowcress, yellow fieldcress, keek
  • Rorippa tenerrima – Modoc yellowcress
  • Rorippa teres – southern marsh yellowcress

References
  1. Rorippa. Flora of China.
  2. Rorippa. The Jepson eFlora 2013.
  3. Rorippa. Flora of North America.
  4. GRIN Species Records of Rorippa. Germplasm Resources Information Network (GRIN).
  5. Rorippa. Integrated Taxonomic Information System.
  6. Rorippa. USDA PLANTS.
  7. Rorippa species list. Flora of North America.
  8. De Lange, P.J.; Heenan, P.B.; Townsend, A.J. (2009). "Rorippa laciniata (Brassicaceae), a new addition to the flora of New Zealand". New Zealand Journal of Botany. 47 (2): 133–137. doi:10.1080/00288250909509800. S2CID 83609780.


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