Log In
New Account
Sitemap
Home
Specimen Search
Search Collections
Map Search
Exsiccati Search
Images
Browse
Search
Flora Projects
State Inventories
Indiana
Ohio
Wisconsin
Aquatic Invasive Plant Guide
Interactive Tools
Dynamic Checklist
Dynamic Key
Crowdsource
Cirsium fontinale var. fontinale
(Greene) Jeps.
Family:
Asteraceae
Fountain thistle
Images
not available
FNA
Resources
David J. Keil in Flora of North America (vol. 19, 20 and 21)
Basal leaves:
longer spines 4-6 mm; distal faces more densely glandular than tomentose.
Cauline leaves:
longer spines 8-12 mm.
Distalmost stem bracts
usually tightly subtending heads.
Phyllaries
100-120, 35-45 of them reflexed; apical spines 1-2 mm; marginal spines often present.
Cypselae
4.1-5 mm.
2
n
= 34, 34 + 1B.
Flowering spring-summer (Apr-Aug). Serpentine seeps; of conservation concern; ca. 120 m; Calif.
Variety
fontinale
is known only from the vicinity of Crystal Springs Reservoir, San Mateo County.
Click to Display
0 Total Images
Powered by
Symbiota