Difference between revisions of "Cirsium fontinale var. campylon"
Phytologia 73: 313. 1992.
Common names: Mt. Hamilton thistle
Basionym: Cirsium campylon H. Sharsmith
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|tribe=Asteraceae tribe Cardueae | |tribe=Asteraceae tribe Cardueae | ||
|genus=Cirsium | |genus=Cirsium | ||
Revision as of 16:09, 18 September 2019
Basal leaves: longer spines 4–15 mm, distal faces equally glandular and tomentose. Cauline leaves: longer spines 10–18 mm. Distalmost stem bracts typically separated from heads. Phyllaries 65–85, 25–35 of them reflexed; apical spines 3–6 mm; marginal spines usually absent. Cypselae 3.4–4.1 mm. 2n = 34.
Phenology: Flowering spring–summer (Apr–Aug).
Habitat: Serpentine seeps in areas of chaparral, valley grasslands, foothill woodlands
Elevation: 300–800 m
Discussion
Of conservation concern.
Variety campylon is endemic to the Mt. Hamilton Range in Alameda, Santa Clara, and Stanislaus counties.
Selected References
None.
Lower Taxa
None.