Garlic mustard
Alliaria petiolata · Brassicaceae (Mustard family)
AI-generated identification · may be incorrect
Leaf Morphology
Leaf Type
Simple, deciduous
Shape
Cordate to reniform, unlobed
Margin
Coarsely crenate to dentate
Arrangement
Alternate with a distinct slender petiole
Venation
Reticulate with prominent, raised veins forming a web-like network
Key Features
Triangular-kidney-shaped leaf blade, prominent reticulate veins creating a wrinkled texture, and coarsely toothed margins on a long petiole
Description
An herbaceous biennial plant forming a basal rosette in its first year and slender flowering stems up to one meter tall in its second year. It produces small, four-petaled white flowers in spring followed by upright seed pods.
Habitat
Understory of deciduous forests, woodland edges, roadsides, and disturbed shaded areas in moist, nutrient-rich soils
Native Range
Native to Europe, western Asia, and northwestern Africa; widely naturalized across North America