corn cockle USDA PLANTS Symbol: AGGI
U.S. Nativity: Exotic
Habit: Forbs/Herbs
Agrostemma githago L
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Taxonomic Rank: Magnoliopsida: Caryophyllales: Caryophyllaceae
Synonym(s): common corncockle, cockle, corn cockle, corncockle, purple cockle
Appearance
Agrostemma githago is an erect, annual herb with silky-haired and slender stems. It is native to Europe.
Foliage
The simple leaves are opposite. They are long, narrow and pointed at the tip.
Flowers
Flowers are held singly at the top of a long stalk with 5 pink to purple petals. Five pointed sepals extend past the edge of the flower. It blooms through the summer.
Fruit
The fruits of Agrostemma githago are capsules that each contain numerous black, pitted seeds.
Ecological Threat
Agrostemma githago has naturalized in North America. It is usually found in disturbed areas, cultivated grain fields and disturbed sites. Seeds of Agrostemma githago can be a contaminant of wheat, oats, and ground corn. Modern agricultural practices have reduced the populations of this plant.
Selected Images from Invasive.orgView All Images at Invasive.org


Seed(s); Germplasm from Royal Botanic Garden, Kew. Collected in the United Kingdom.
Lindsey Seastone, USDA APHIS PPQ, Bugwood.org
Additional Resolutions & Image Usage
Seed(s); Germplasm from GRIN.
Lindsey Seastone, USDA APHIS PPQ, Bugwood.org
Additional Resolutions & Image Usage
Seed(s); Germplasm from Royal Botanic Garden, Kew. Collected in the United Kingdom.
Lindsey Seastone, USDA APHIS PPQ, Bugwood.org
Additional Resolutions & Image Usage
EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org 		 


State List
This map identifies those states that list this species on their invasive species list or law.

Invasive Listing Sources:
West Virginia Native Plant Society, Flora West Virginia Project, and West Virginia Curatorial Database System, September 3, 1999