Common name: Yellow Cress, Marsh Watercress
Rorippa palustris (L.) Besser APNI*
Synonyms: Rorippa islandica (Oeder) Borbás APNI*
Description: Annual or biennial 20–100 cm high, stems often pigmented red, usually erect, sometimes stoloniferous, glabrous.
Leaves pinnatifid to pinnatisect, 2–12 cm long, lobes toothed, base auriculate, terminal lobe narrow.
Sepals 1–2 mm long. Petals 1–2 mm long, yellow. Siliqua inflated, curved, mostly 5–9 mm long, 2–3 mm wide; seeds in 2 rows per loculus; pedicel spreading to horizontal, 4–10 mm long.
Distribution and occurrence: widespread in wet or swampy situations. Native of Europe.
NSW subdivisions: *NC, *CC, *SC, *NT, *CT, *ST, *NWS, *CWS, *SWS, *NWP, *SWP, *NFWP, *SFWP
Other Australian states: *Qld *Vic. *Tas. *W.A. *S.A. *N.T.
Text by L. Retter & G.J. Harden, Flora of New South Wales Vol. 1: 478-480 (1990)
Taxon concept: Australian Plant Census (accessed May 2017)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.