Trichoptilium is a monotypic genus containing the single species Trichoptilium incisum, which is known by the common names yellowdome[1] and yellowhead. This is a plant in the daisy family which is native to the Mojave and Sonoran Deserts of the United States and Mexico.
| Trichoptilium | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Subfamily: | Asteroideae |
| Tribe: | Helenieae |
| Subtribe: | Psathyrotinae |
| Genus: | Trichoptilium A. Gray |
| Species: | T. incisum
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| Binomial name | |
| Trichoptilium incisum | |
Description
editTrichoptilium incisum sends up stems from a basal rosette of sharply-toothed leaves which are covered in curly hairs and oil glands. Atop each stem is a small rounded bright yellow flower head with only disc florets. Each head is a hemispherical button about a centimeter in diameter. The fruit is bristly with pappus.
References
edit- ^ USDA, NRCS (n.d.). "Trichoptilium incisum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 14 December 2015.
External links
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Media related to Trichoptilium at Wikimedia Commons- Jepson Manual Treatment - Trichoptilium incisum
- Trichoptilium incisum - Photo gallery
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