Photographer: Emmet J. Judziewicz
Lapsana communis L.
common nipplewort, nipplewort
Lapsana: Dioscorides used this name for "wild mustard"
communis: in Latin "common, general" and means growing in communities
|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|