[Alliaria alliaria (L.) Britton, more...]
Etymology: Alliaria: from Allium meaning "onion" or "garlic"
Plants: erect, biennial, 12"-40" tall forb, forming large, dense mats, first year plants an evergreen, basal rosette; stems mostly unbranched, hairless
Leaves: alternate, coarsely toothed, stalked, strong garlic smell when crushed; lower kidney shaped, upper triangular
Flowers: white, 4-parted, 1/3" wide, petals rounded at the top, narrowing towards the base; inflorescence a short, terminal cluster (raceme) of stalked flowers; blooms April-June
Fruits: long, thin, 4-angled pods, both horizontal and pointing upward
Habitat: partial shade, shade; moderate moisture to moist; woods, woods edges
Invasiveness: Restricted Invasive - Eradicate!
Conservation Status: Introduced - naturalized; ecologically invasive
Flora of North America: Flora of North America Floristic Rating: Wetland Indicator = FAC WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods Invasive And Exotic Species of North America: Descriptions, management issues, warnings, photos, etc. USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Invasive Plants: Photos, descriptions, information Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Weeds Gone Wild: Alien Plant Invaders of Natural Areas: Descriptions, photos, management help, etc.