Trichoptilium

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Scientific classification Edit this classification
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
Binomial name
Trichoptilium incisum

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.

Description

Trichoptilium 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

  1. USDA, NRCS (n.d.). "Trichoptilium incisum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 14 December 2015.


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