BugwoodWiki Article

garlic mustard
Alliaria petiolata (Bieb.) Cavara & Grande

Overview

Appearance
Alliaria petiolata is an herbaceous, biennial forb. First year plants are basal rosettes which bolt and flower in the second year. Plants can be easily recognized by a garlic odor that is present when any part of the plant is crushed.
Foliage
Foliage on first year rosettes is green, heart shaped, 1-6 in. (2.5-15.2 cm) long leaves. Foliage becomes more triangular and strongly toothed as the plant matures.
Flowers
Second year plants produce a 1-4 ft. (0.3-1.2 m) tall flowering stalk. Each flower has four small, white petals in the early spring.
Fruit
Mature seeds are shiny black and produced in erect, slender green pods which turn pale brown when mature.
Ecological Threat
Alliaria petiolata is an aggressive invader of wooded areas throughout the eastern and middle United States. A high shade tolerance allows this plant to invade high quality, mature woodlands, where it can form dense stands. These stands not only shade out native understory flora but also produce allelopathic compounds that inhibit seed germination of other species. Alliaria petiolata is native to Europe and was first introduced during the 1800s for medicinal and culinary purposes.

Resources

Selected Images


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garlic mustard
Alliaria petiolata
Infestation
Leslie J. Mehrhoff
0580063
0580063

garlic mustard
Alliaria petiolata
Foliage
Jil Swearingen
2146038
2146038

garlic mustard
Alliaria petiolata
Plant(s)
David Cappaert
1196039
1196039

garlic mustard
Alliaria petiolata
Plant(s)
Tom Heutte
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1378076

garlic mustard
Alliaria petiolata
Plant(s)
Chris Evans
1330037
1330037

garlic mustard
Alliaria petiolata
Foliage
Chris Evans
1330041
1330041

garlic mustard
Alliaria petiolata
Fruit(s)
Chris Evans
1378081
1378081

garlic mustard
Alliaria petiolata
Plant(s)
Chris Evans
1378086
1378086

garlic mustard
Alliaria petiolata
Flower(s)
Chris Evans
1380151
1380151

garlic mustard
Alliaria petiolata
Infestation
Chris Evans
1380152
1380152

garlic mustard
Alliaria petiolata
Plant(s)
Chris Evans
1380161
1380161

garlic mustard
Alliaria petiolata
Plant(s)
Chris Evans
2131100
2131100

garlic mustard
Alliaria petiolata
Control
Chris Evans
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2132001

garlic mustard
Alliaria petiolata
Control
Chris Evans
2308081
2308081

garlic mustard
Alliaria petiolata
Infestation
Leslie J. Mehrhoff
5306060
5306060

garlic mustard
Alliaria petiolata
Seed(s)
Steve Hurst

Maps


EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org

EDDMapS Distribution

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org

State Regulated List

Invasive Listing Sources

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Dilleniidae
Order: Capparales
Family: Brassicaceae
Genus: Alliaria

Other System Links

Plants: ALPE4
Bayer: ALAPE
GRIN: 2210
ITIS: 184481
NPDN Pest: PBKABBA
NPDN Host: 36006

Synonyms and Other Names

Other Common Names:
garlic-mustard, hedge garlic, sauce-alone, jack-by-the hedge, poor man's mustard, jack-n-the-bush, garlic root, garlicwort, mustard root

Related Scientific Names:

Alliaria alliaria (Bieb.) Cavara & Grande(Synonym)
Alliaria officinalis (Bieb.) Cavara & Grande(Synonym)
Erysimum alliaria (Bieb.) Cavara & Grande(Synonym)
Sisymbrium alliaria (Bieb.) Cavara & Grande(Synonym)

Categories

Category: Forbs/Herbs