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rayless goldenhead
Scientific Name: Acamptopappus sphaerocephalus
Family: Asteraceae
Category: Dicot
Growth: Subshrub, Shrub
Duration: Perennial
Other Names:
Acamptopappus sphaerocephalus: Rayless Goldenhead
Acamptopappus sphaerocephalus, commonly known as rayless goldenhead, is a flowering plant species belonging to the aster family.
Considerations for Pets
- This plant is a shrub.
- Goldenrod, a related plant, is known to be poisonous to livestock.
Scientific Classification
- Scientific Name: Acamptopappus sphaerocephalus (Harv. & A. Gray ex A. Gray) A. Gray
- Family: Asteraceae (also known as Compositae or Aster family)
- Rank: Species
- Synonyms: Sphaerocephalus (mentioned in connection with the plant's common name)
- Varieties:
- Acamptopappus sphaerocephalus var. sphaerocephalus
- Acamptopappus sphaerocephalus var. hirtellus S.F. Blake
Distribution and Habitat
- Native to desert regions of the southwestern United States.
- Occurs in the Mojave Desert.
- Found in Arizona.
Morphological Characteristics
- Plant Type: Shrub, Subshrub
- Habit: Perennial
- The plant may be large in size.
- Leaves: Pale green to light gray-green.
- Stems: Whitish.
- Evergreen.
Quirky Facts
- In summer, the rayless goldenhead assumes a white coloring.
Additional Information
- Plant hardiness zones: 9a-11.
Associations
- Found in the same drainage areas as Allium bigelovii and Ambrosia dumosa.
External Resources
- Discover Life: Biology, natural history, ecology, identification, and distribution information.
- Flora of North America.
- United States Department of Agriculture.