No images found for this plant ID: 9471.
Ensure images are uploaded to the Media Library and tagged with "9471" in the "plant_image_tag" taxonomy.
Rothrock's knapweed
Scientific Name: Centaurea rothrockii
Family: Asteraceae
Category: Dicot
Growth: Forb/herb
Duration: Annual
Other Names:
Centaurea rothrockii: Rothrock's Knapweed
Centaurea rothrockii, commonly known as Rothrock's knapweed, is a forb/herb found in specific regions of North America. It is also referred to as Mexican Basketflower or Rothrock's Basketflower.
Taxonomy and Nomenclature
- Scientific Name: Centaurea rothrockii Greenm.
- Accepted Name: Plectocephalus rothrockii (Greenm.) D.J.N. Hind
- Family: Asteraceae (mentioned as a species of Asteracaceae)
- Kingdom: Plantae
- Taxonomic Rank: Species
- Synonyms: Plectocephalus rothrockii (Greenman) D. J. N. Hind
Distribution and Habitat
- Native to Arizona (AZ) and New Mexico (NM).
- Also found in northern Mexico.
- Specifically mentioned in Garden Canyon, Huachuca Mts., Cochise Co., Arizona.
Morphological Characteristics and Growth Habits
- Forb/herb (non-woody plant that is not a grass).
- Annual or biennial.
- Multi-stemmed.
- Lance-shaped, usually hairless leaves, up to 5 inches long.
- Plants range from 30-150 cm in height.
- Stems are usually erect.
- Spectacular thistle-like flowers (5 inches across!) with cream-colored centers and pink-blue tipped petals.
Ecological Role
- Some knapweeds have a tendency to dominate large stretches of landscape.
Interactions with Other Organisms
- The Dull Firetip Butterfly (Apyrrothrix araxes) has been observed on Rothrock's Knapweed.
Further Information
- Discover Life: Provides information on the biology, natural history, ecology, identification, and distribution of Centaurea rothrockii.
- Dave's Garden: A community for sharing gardening tips, ideas, seeds, and plants.
- Garden Guides: Plant and gardening information.
- Flora of North America