Robert W. Freckmann Herbarium


  Arabis laevigata (Muhl. ex Willd.) Poir. var. laevigata image
Photographer: Derek Anderson           

Emmet J. Judziewicz

Kenneth J. Sytsma

Merel R. Black

Merel R. Black

Merel R. Black

Merel R. Black

Merel R. Black

Robert W. Freckmann
Family Brassicaceae
Arabis laevigata (Muhl. ex Willd.) Poir. var. laevigata
smooth bank-cress, smooth rock-cress
Arabis: a Greek word used for "mustard" or "cress," and the Greek word for Arabia, perhaps referring to the ability of these plants to grow in rocky or sandy soils (?)
laevigata: smooth, free from hairs or roughness
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, biennial, to 40" tall forb; smooth stems with 1 to a few branches
Flower: white, 4-parted, 1/4"-1/2" wide, petals equal to or 25% longer than the sepals; inflorescence a widely-spreading, tall cluster (raceme) of stalked, drooping flowers; blooms May-Aug.
Fruit:long, thin, flat, widely-spreading pod hanging somewhat downward; seeds in 1 row
Leaf:upper stalkless, hairless, small with lobed base; lower leaves rounded at the top narrowing to the arrow-shaped, clasping base; sparsely toothed to toothless
Habitat: woods, hillsides
(Glossary)

More Information Natural Communities Herbarium Specimens
All Arabis list Google- Images or Text

Flora of North America (off site)
Synonyms 
Arabis heterophylla Nutt.
Arabis lyrifolia DC.
Arabis viridis Harger var. heterophylla (Nutt.) Farw.
Turritis laevigata Muhl. ex Willd.

         
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