genus Chorizanthe
Member of
knotweed family (family Polygonaceae)
dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)
There are no other wild species of this genus in the bay area.
monterey spineflower
Chorizanthe pungens
san francisco spineflower
Chorizanthe cuspidata
diffuse spineflower
Chorizanthe diffusa
robust spineflower
Chorizanthe robusta
knotweed spineflower
Chorizanthe polygonoides
one-awn spineflower
Chorizanthe uniaristata
douglas’ spineflower
Chorizanthe douglasii
cleveland’s spineflower
Chorizanthe clevelandii
1 observed taxon / 8 unobserved taxons / 1 key
Locations: Months: For more details, use advanced search.
Chris’s observations: 1 (research grade)
Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA
Bay Area species: iNaturalist – Calflora