Robert W. Freckmann Herbarium


  Thlaspi arvense L. image
Photographer: Merel R. Black           

Botanical Illustration

Botanical Illustration

Emmet J. Judziewicz

Kenneth J. Sytsma

Kenneth J. Sytsma

Matthew L. Wagner

Merel R. Black

Merel R. Black

Robert W. Freckmann
Family Brassicaceae
Thlaspi arvense L.
field pennycress
Thlaspi: from Greek thlaein, "to crush," from the flattened silicle, and the Greek name for a cress
arvense: of planted fields
Hazardous hazard symbol- click for definition
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Introduced - naturalized
Plant: erect, annual, 4"-20" tall forb, smooth, rank odor
Flower: white, 4-parted, 1/8" wide, petals 2 times as long as the sepals; inflorescence a cluster (raceme) of stalked flowers; blooms April-June
Fruit:roundish, 1/2" wide pod, erect, winged all around, the notch at the tip deeper than wide
Leaf:stalkless, base with 2 narrow lobes
Habitat: disturbed sites
(Glossary)

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

Flora of North America (off site)
Synonyms 
There are no synonyms for this taxon.

         
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