Ammannia sp.
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Family: Lythraceae · Type: Annual · Variable; species dependent
Ammannia sp. is a non-native California annual in the Lythraceae family.
How to tell it apart
vs Rumex: Ammannia has ear-lobed leaves and small clustered flowers; Rumex has sheathing leaf bases and papery winged fruits.; vs Epilobium: Ammannia has ear-lobed leaves and superior ovaries; Epilobium has smooth leaf bases and inferior ovaries.; vs Punica: Ammannia is a tiny wetland herb with ear-lobed leaves; Punica is a woody shrub with large leathery flowers.; vs Lythrum: Ammannia has ear-like lobes at leaf base; Lythrum has smooth leaf bases without lobes.; vs Rotala: Ammannia has ear-lobed leaf bases and dense flower clusters; Rotala has tapered leaf bases and solitary flowers.
Frequently asked questions
Is Ammannia sp. native to California?
No. Ammannia sp. is not native to California (recorded as variable; species dependent).
What plant family does Ammannia sp. belong to?
Ammannia sp. is in the Lythraceae family, genus Ammannia.
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.