''Rorippa'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of flowering plants in the family

Brassicaceae Brassicaceae () or (the older) Cruciferae () is a medium-sized and economically important family of flowering plants commonly known as the mustards, the crucifers, or the cabbage family. Most are herbaceous plants, while some are shrubs. The leav ...

, native to Europe through central Asia, Africa, and North America. ''Rorippa'' species are

annual Annual may refer to: *Annual publication, periodical publications appearing regularly once per year ** Yearbook ** Literary annual *Annual plant *Annual report *Annual giving *Annual, Morocco, a settlement in northeastern Morocco *Annuals (band), ...

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wid ...

herbs, usually with yellow

flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechani ...

s and a peppery flavour. They are known commonly as yellowcresses. ''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''Rorippa''.
Flora of China. to 85''Rorippa''.
Flora of North America. species in the genus. Species include:''Rorippa'' species list.
Flora of North America. Rorippa sylvestris flowering 01

*'' 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'' *'' Rorippa dubia'' *'' Rorippa elata'' *'' Rorippa globosa'' – globe yellowcress *'' Rorippa icarica'' Rech.f. *'' Rorippa indica'' Hiern. – variableleaf yellowcress *'' Rorippa intermedia'' – intermediate yellowcress *'' Rorippa islandica'' – northern yellowcress, northern marsh yellowcress *'' Rorippa laciniata'' *'' 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

External links

Brassicaceae: APG II.
Missouri Botanical Garden. Brassicaceae genera {{brassicales-stub