Austrian fieldcress
Rorippa austriaca (Crantz) Bess.
Overview
- Appearance
- Rorippa austriaca is a perennial herbaceous plant that can grow up to 3.3 ft. (1 m) tall.
- Foliage
- Leaves are sessile, clasping, bluish green, 1.2-3.9 in. (3-10 cm) long, oblong to oblanceolate, glabrous, and entire to dentate.
- Flowers
- Flowers are yellow in color and grow in clusters at the ends of the stems. Sepals are 0.08-0.1 in. (2-2.5 mm) across, and petals are 0.12-0.2 in. (3-5 mm) across.
- Fruit
- Fruits are ovate, 0.09-0.12 in. (2.4-3 mm) wide, and ascending. Seeds are 0.03-0.04 in. (0.7-0.9 mm) long, rough, and reddish brown in color.
- Ecological Threat
- R. austriaca prefers disturbed areas including roadsides and mudflats. It is native to Europe.
Selected Images
Maps
EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
State List - This map identifies those states that list this species on their invasive species list or law. For more information, visit Invasive.org
Invasive Listing Sources
- Alaska Noxious Weeds
- California Noxious Weeds
- Nevada Noxious Weeds
- New Invaders of the Northwest
- New Invaders of the Southeast
- New Invaders of the Southwest
- Pacific Northwest Exotic Pest Plant Council, 1998
- Washington Noxious Weeds
- WeedUS - Database of Plants Invading Natural Areas in the United States
Taxonomic Rank
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Dilleniidae |
| Order: Capparales |
| Family: Brassicaceae |
| Genus: Rorippa |
| Subject: Rorippa austriaca (Crantz) Bess. |
Synonyms and Other Names
Other Common Names:
Austrian yellowcress
Related Scientific Names:
Nasturtium austriacum (Crantz) Bess. (Synonym)