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mountain slope thistle
Scientific Name: Cirsium scapanolepis
Family: Asteraceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Cirsium scapanolepis - Mountain Slope Thistle
Cirsium scapanolepis, commonly known as Mountain Slope Thistle, is a forb/herb belonging to the genus Cirsium. Other common names include mountain thistle.
Considerations for Pets
- Thistles, in general, are known for their prickly nature.
Taxonomy and Nomenclature
- Scientific Name: Cirsium scapanolepis Petr.
- Common Name: Mountain Slope Thistle
- Family: Not explicitly mentioned, but implied to be Asteraceae based on the genus Cirsium.
- Synonyms: The text implies the existence of synonyms but doesn't list them explicitly for Cirsium scapanolepis.
Distribution and Habitat
- This thistle is found on open slopes, roadbanks, and roadsides in Colorado, specifically in mountain meadows and along streamsides.
- Also found on shaley slopes in pinyon-juniper zones at elevations of 5,900-8,000 feet.
- It thrives on rocky and gravelly slopes on the sunny side of mountains in alpine and subalpine zones.
Morphological Characteristics
- The text describes thistles in general as having "effusive flower heads, usually purple, rose, or pink."
- It is described as a forb/herb (a non-woody plant that is not a grass).
Traditional Uses
- Historically, thistles were considered a remedy for swollen veins (the word "Ciros" means swollen vein).
Quirky Facts
- The text mentions golf courses named after or featuring the thistle.
Related Species
- The text also mentions other Cirsium species, including:
- Cirsium vulgare (bull thistle, common thistle, or spear thistle)
- Cirsium scariosum (Meadow Thistle)
- Cirsium scopulorum (Mountain Thistle)
- Cirsium spinosissimum (Yellow Thistle)
- Cirsium clavatum (Fish Lake thistle)
- Cirsium acarna (Soldier Thistle)
- Cirsium acaule (Stemless Thistle, Dwarf Thistle)
- Cirsium hydrophilum (Suisun Thistle)
Additional Notes
- Cirsium vulgare (bull thistle, common thistle, or spear thistle) is listed as a noxious weed.
Further Information
- Discover Life offers a page about the biology, natural history, ecology, identification, and distribution of Cirsium scapanolepis.