Robert W. Freckmann Herbarium


  Arabis divaricarpa A.Nelson image
Photographer: Robert W. Freckmann           

Emmet J. Judziewicz

Emmet J. Judziewicz
Family Brassicaceae
Arabis divaricarpa A.Nelson
spreading-pod 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 (?)
divaricarpa: spreading fruit
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, hairless above the base; stems loosely branched
Flower: pink to white, 4-parted, 1/4"-1/3" long, petals long-lobed, the same or longer than the sepals; inflorescence a widely-spreading cluster (raceme) of stalked flowers; blooms June-July
Fruit:linear, straight pods erect and then spreading outward; seeds in 1-2 rows
Leaf:first year rosette leaves stiff, long and narrow, hairy; stem leaves thin, smooth on both sides, erect, 2-lobes at the base appearing to clasp the stem
Habitat: in sandy, rocky soil
(Glossary)

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

Flora of North America (off site)
Synonyms 
Arabis acutina Greene
Arabis brachycarpa (Torr. & A.Gray) Britton
Arabis confinis S.Watson
Arabis confinis S.Watson var. interposita (Greene) Welsh & Reveal
Arabis divaricarpa A.Nelson var. dechamplainii B.Boivin
Arabis divaricarpa A.Nelson var. interposita (Greene) Rollins
Arabis divaricarpa A.Nelson var. stenocarpa M.Hopkins
Arabis divaricarpa A.Nelson var. typica Rollins
Arabis interposita Greene
Arabis X divaricarpa A.Nelson (pro sp.)
Boechera divaricarpa (A.Nelson) A.Löve & D.Löve
Turritis brachycarpa Torr. & A.Gray

         
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