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peregrine thistle
Scientific Name: Cirsium cymosum
Family: Asteraceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Peregrine Thistle (Cirsium cymosum)
Cirsium cymosum, commonly known as peregrine thistle, is a species of thistle native to North America.
Considerations for Pets
- The plant is a thistle, which may have sharp points or prickles.
- The stems and leaves are covered with soft, cobwebby, straight hairs.
Taxonomy and Nomenclature
- Scientific Name: Cirsium cymosum
- Common Name: Peregrine Thistle
- Synonym: Cirsium cymosum (Greene) J.T. Howell
- A variety is known as Cirsium cymosum var. cymosum
- Family: Asteraceae (Composite Family)
- It is a forb/herb ( a forb/herb is a non-woody plant that is not a grass) of the genus Cirsium.
Distribution and Habitat
- Native to the western United States.
- Specifically native to California and parts of Oregon.
- Grows in several types of mountain areas in California.
Morphological Characteristics
- Erect, straight stems, usually unbranched below the inflorescence.
- Stems are covered with soft, cobwebby, straight hairs.
- Perennial plant typically growing to 2-5 feet tall.
- Leaves are soft and hairy.
- Flowers are dull white and "cobwebby."