Cirsium douglasii var. douglasii

Endemic
Treatment appears in FNA Volume 19. Treatment on page 133.

Plants to 150 cm. Cauline leaves usually deeply lobed, spines usually 7–20 mm. Heads mostly 2.5–3.5 cm. 2n = 34.


Phenology: Flowering summer (Jun–Aug).
Habitat: Springs, seeps, streamsides, coastal bluffs, coniferous and hardwood forests, often on serpentine
Elevation: 10–1200 m

Discussion

Variety douglasii grows in the Coast Ranges from Humboldt to Monterey and San Benito counties.

Selected References

None.

Lower Taxa

None.
David J. Keil +
de Candolle +
10–1200 m +
Springs, seeps, streamsides, coastal bluffs, coniferous and hardwood forests, often on serpentine +
Flowering summer (Jun–Aug). +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
Asteraceae tribe Cynarea +
Cirsium douglasii var. douglasii +
Cirsium douglasii +
variety +