Lastarriaea sp.
Family: Polygonaceae · Type: Annual · Native
Lastarriaea sp. is a native California annual in the Polygonaceae family.
How to tell it apart
vs Chorizanthe: Lastarriaea has leathery-textured flowers; Chorizanthe has thin, papery flowers.; vs Loeflingia: Lastarriaea has leathery buckwheat flowers with 3 spine-tipped bracts; Loeflingia is in Caryophyllaceae with 5-parted flowers.; vs Nemacaulis: Lastarriaea has 3 spine-tipped bracts; Nemacaulis has many spine-less bracts creating cottony flower heads.; vs Hollisteria: Lastarriaea has 3 stamens per flower; Hollisteria has 6-9 stamens.; vs Johanneshowellia: Lastarriaea has spine-tipped bracts; Johanneshowellia has spine-less bracts and silky hairs.
Frequently asked questions
Is Lastarriaea sp. native to California?
Yes. Lastarriaea sp. is native to California (recorded as native).
What plant family does Lastarriaea sp. belong to?
Lastarriaea sp. is in the Polygonaceae family, genus Lastarriaea.
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.