species 27,875 observations
Bristle Thistle
Cirsium horridulum
Field notes
Cirsium horridulum, called bristly thistle, purple thistle, or yellow thistle is a North American species of plants in the tribe Cardueae within the family Asteraceae. It is an annual or biennial.100 The species is native to the eastern and southern United States from New England to Florida, Texas, and Oklahoma as well as to Mexico, Belize, Guatemala, Honduras, and the Bahamas.
Thomas Nuttall (1786–1859) described var. megacanthum as "one of the most terribly armed plants in the genus."
Read more on WikipediaSupports All
supported in the US
-
Caterpillars
Moths and butterflies raised on it
Little Metalmark, Celery Leaftier Moth, American Sunflower Moth, Scarlet-bodied Wasp Moth
25
-
Specialist bees
Bees whose young are raised on the pollen of it
Oblique Longhorn Bee, Eastern Thistle Longhorn Bee, Pugnacious Leafcutter Bee, Osmia chalybea
10
-
Hosted animals
Gall makers, leaf miners and other animals living on or in it
Eight-spotted Flower Longhorn Beetle
1
-
Plant eaters
Animals that feed on it
Eastern Leaf-footed Bug, Kern's Flower Scarab, Black Bean Aphid, Wild Turkey
14
-
Flower visitors
Pollinators and other flower visitors
American Bumble Bee, Palamedes Swallowtail, Southern Carpenter Bee, Palatka Skipper
164
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Key traits
- Layer
- Herbaceous plants
- Light
- Full sun Part shade
- Moisture
- Dry Well drained Moist
- Deer resistant
- Yes
- Resists
- Rabbits
- Habit
- Erect
- Plant type
- Annual Wildflower Weed
From NC State Extension and USDA PLANTS.