Flora of North America species comparison

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Chorizanthe polygonoides var. longispina
Photo is of parent taxon

knotweed spineflower, long-awn spineflower, long-spine spineflower
Habit Plants generally reddish.
Invo

-lucres 1.5–2 mm;

prominent teeth with awns 2–3 mm.
2n

= 40.

Chorizanthe polygonoides var. longispina
Phenology Flowering Apr–Jun.
Habitat Sandy to gravelly soil, mixed grassland and chaparral communities, pine-oak woodlands
Elevation 30-1500 m (100-4900 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[BONAP county map]
Discussion

Variety longispina is localized and uncommon in the mountains from western Riverside County south through San Diego County into northern Baja California. There are scattered and even rarer disjunct populations of long-awned spineflower along the coast in the San Diego area.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 5, p. 467.
Parent taxa Polygonaceae > subfam. Eriogonoideae > Chorizanthe > subg. Amphietes > sect. Acanthogonum > Chorizanthe polygonoides
Sibling taxa
C. polygonoides var. polygonoides
Synonyms Acanthogonum polygonoides var. longispinum, C. polygonoides subsp. longispina
Name authority (Goodman) Munz: Aliso 4: 89. (1958)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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