Pterostegia sp.
Woodland threadstem, Woodland Threadstem
Family: Polygonaceae · Type: Annual · Native
Pterostegia sp. (Woodland threadstem) is a native California annual in the Polygonaceae family.
Frequently asked questions
Is Pterostegia sp. native to California?
Yes. Pterostegia sp. is native to California (recorded as native).
What plant family does Pterostegia sp. belong to?
Pterostegia sp. is in the Polygonaceae family, genus Pterostegia.
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.