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smallhead star-thistle
Scientific Name: Centaurea calcitrapoides
Family: Asteraceae
Category: Dicot
Growth: Forb/herb
Duration: Annual, Biennial, Perennial
Other Names:
Smallhead Star-Thistle (Centaurea calcitrapoides)
Centaurea calcitrapoides, commonly known as Smallhead Star-Thistle, is a forb/herb belonging to the Asteraceae family.
Considerations for Pets
- As a thistle, this plant likely has spines or sharp edges, so supervise pets around this plant.
Considerations for Children
- As a thistle, this plant likely has spines or sharp edges, so supervise children around this plant.
Taxonomy and Nomenclature
- Scientific Name: Centaurea calcitrapoides L.
- Family: Asteraceae
- Rank: Species
- Nomenclatural Reference: Cent. Pl. I . 29. 1755 19 Feb 1755
- Synonyms: Mentions of Centaurea calcitrapa (Red star-thistle) and Centaurea aspera (Rough star-thistle) suggest related species within the same genus.
Distribution and Habitat
- The plant is referenced within the context of California and the United States.
Morphological Characteristics and Growth Habits
- Smallhead Star-Thistle is described as a forb/herb, which is a non-woody plant that is not a grass.
- It can be an annual, biennial, or perennial plant.
Ecological Role
- The provided text mentions control guidelines, suggesting it can be considered a weed or invasive in certain contexts.
- The text also mentions a potential biological control agent (Eustenopus hirtus) for yellow starthistle (Centaurea solstitialis), implying interactions with other species and highlighting potential ecological impact.
Quirky Facts
- The text mentions a mead made from Michigan Star Thistle honey, showcasing an interesting, if indirect, use of related plants.
Further Information
- University of California provides guidelines for the control of Yellow Starthistle.