Trianthema sp.
Horse-purslane, Horse-Purslane
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Family: Aizoaceae · Type: Perennial · Native
Trianthema sp. (Horse-purslane) is a native California perennial in the Aizoaceae family.
How to tell it apart
vs Portulaca: Two-toothed stipules at leaf base vs. purslane's tuft of hairs at leaf base.; vs Oxybasis: Thick succulent leaves vs. goosefoot's thin, often mealy leaves.; vs Polycarpon: Fleshy opposite leaves vs. Polycarpon's thin whorled leaves.; vs Tetragonia: Flowers at leaf bases vs. Tetragonia's flowers sitting atop fruit.; vs Cypselea: Stipules as two simple teeth vs. Cypselea's fringed, hair-like stipules.
Frequently asked questions
Is Trianthema sp. native to California?
Yes. Trianthema sp. is native to California (recorded as native).
What plant family does Trianthema sp. belong to?
Trianthema sp. is in the Aizoaceae family, genus Trianthema.
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.