Robert W. Freckmann Herbarium


  Lapsana communis L. image
Photographer: Emmet J. Judziewicz           

Botanical Illustration

Botanical Illustration

Emmet J. Judziewicz

Kurt Stüber

PNW Weed Management Handbook
Family Asteraceae
Lapsana communis L.
common nipplewort, nipplewort
Lapsana: Dioscorides used this name for "wild mustard"
communis: in Latin "common, general" and means growing in communities
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Introduced - naturalized; potentially invasive
Plant: erect, annual, 1/2'- 5' tall forb with milky juice; slightly reddish stems with white glandular hairs
Flower: head with 18-20 pale yellow rays with blunt, 5-toothed tips; inflorescence of several to many heads in loose clusters on bare stalks; blooms June-Sept.
Fruit:smooth, curved dry seed with no fluffy pappus
Leaf:alternate, lower leaves with a large end-lobe; set apart, 2 shallow lobes near the slightly winged, hairy stalk; upper leaves smaller, unlobed
Habitat: shade; moist; woods, fields, disturbed sites
(Glossary)

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

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

         
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