Acamptopappus sphaerocephalus
| Acamptopappus sphaerocephalus | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Acamptopappus |
| Species: | A. sphaerocephalus
|
| Binomial name | |
| Acamptopappus sphaerocephalus (
Harv. & A.Gray ex A.Gray) A.Gray | |
| Synonyms[1][2] | |
| |
Acamptopappus sphaerocephalus is a species of flowering plant in the family Asteraceae known by the common name rayless goldenhead. It is native to the southwestern United States, where it occurs in southern California, southern Nevada, southern Utah, and Arizona.[3]
This
flower head or a small cluster of heads. The head is hemispherical or spherical in shape. It has yellow disc florets and no ray florets. The fruit is an achene tipped with thick scales and bristles.[4][2][5]
This plant grows in the deserts of the southwestern
golden cholla (Opuntia echinocarpa), and Mojave yucca (Y. schidigera).[5]
References
- ^ The Plant List, Acamptopappus sphaerocephalus (Harv. & A.Gray) A.Gray
- ^ a b Acamptopappus sphaerocephalus. Flora of North America.
- ^ Biota of North America Program 2014 county distribution map
- ^ Acamptopappus sphaerocephalus. Jepson Manual Treatment.
- ^ a b Griffith, Randy Scott. 1991. Acamptopappus sphaerocephalus. In: Fire Effects Information System, [Online]. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory.