Agrostemma sp.
Corn-Cockle
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Family: Caryophyllaceae · Type: Annual · Variable; species dependent
Agrostemma sp. (Corn-Cockle) is a non-native California annual in the Caryophyllaceae family.
How to tell it apart
vs Clarkia: Agrostemma has tubular flowers with extremely long sepals; Clarkia has 4-petaled flowers with short sepals and inferior ovaries.; vs Silene: Agrostemma has sepals much longer than the flower tube; Silene has sepals equal to or shorter than tube.; vs Lychnis: Agrostemma has sepals far exceeding petals with appressed hairs; Lychnis has sepals not exceeding petals with spreading sticky hairs.
Frequently asked questions
Is Agrostemma sp. native to California?
No. Agrostemma sp. is not native to California (recorded as variable; species dependent).
What plant family does Agrostemma sp. belong to?
Agrostemma sp. is in the Caryophyllaceae family, genus Agrostemma.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · CalPhotos
Last updated 2026-04-14
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.