Family: Brassicaceae
tower mustard, tower rock-cress
[Arabis glabra (L.) Bernh., more...]
Merel R. Black
Merel R. Black
Etymology: 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 (?)
Plants: erect, biennial/perennial, 12"-60" tall forb; stems usually hairy toward the base and smooth above
Leaves: lance-like, clasping, smooth
Flowers: white, 4-parted, 1/8"-1/4"; inflorescence a tight, short cluster (raceme) of stalked flowers; blooms May-June
Fruits: long, thin, roundish pod pointing upward; seeds in 2 rows
Habitat: sun; dry; prairies, fields
Conservation Status: Native
Plants: erect, biennial/perennial, 12"-60" tall forb; stems usually hairy toward the base and smooth above
Leaves: lance-like, clasping, smooth
Flowers: white, 4-parted, 1/8"-1/4"; inflorescence a tight, short cluster (raceme) of stalked flowers; blooms May-June
Fruits: long, thin, roundish pod pointing upward; seeds in 2 rows
Habitat: sun; dry; prairies, fields
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 5 USDA Plants Database: Federal Distribution and detailed information including photos Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"
Merel R. Black
Emmet J. Judziewicz
Emmet J. Judziewicz
Merel R. Black
Robert Bierman
Merel R. Black
Merel R. Black
Kurt Stüber
Botanical Illustration
Aaron_Carlson
Aaron_Carlson
Aaron_Carlson
Aaron_Carlson
