| Rorippa islandica (Oeder) Borb. | |||
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| Family | Cruciferae — APG family: Brassicaceae | ||
| Synonyms | Sisymbrium islandicum Oeder, Nasturtium palustre (L.) DC., Rorippa palustris (L.) Bess., Nasturtium terrestre R. Br., Sisymbrium amphibium var. palustre L. | ||
| Description | Stem erect or decumbent, simple or branched, glabrous or nearly so; lower leaves petiolate, pinnatifid, with irregularly toothed segments and large, dentate or lobed terminal segment; upper leaves pinnatifid to entire; petals yellow, 1-2 mm long, as long as or shorter than sepal. | ||
| Ecology | Wet places, gravel, roadsides. | ||
| Taxonomy notes | The Alaskan coastal plant differs slightly from the European R. islandica in having thick, obtuse, sausagelike silicles, slightly longer than the pedicels [var. occidentalis (S. Wats.) Butt. & Abbe; Nasturtium terrestre var. occidentale S. Wats.]. R. islandica described from Iceland, var. occidentalis from Shumagin Islands, etc. |
This is a digital representation of Eric Hultén’s ‘Flora of Alaska and Neighboring Territories: A Manual of the Vascular Plants’, which was published by Stanford University Press in 1968. The book was digitized by C. Webb (at UAMN) as part of the Flora of Alaska project, with funding by the US NSF (Grant 1759964 to Ickert-Bond & Webb), and with permission of Stanford University Press. Data and images © 1968 Board of Trustees of the Leland Stanford Jr. Univ. Usage licence: Creative Commons BY-NC-SA 4.0. NB: You may find OCR errors; please refer to the hard-copy if in doubt.