Pyrrhopappus carolinianus

Pyrrhopappus carolinianus, commonly called Carolina desert-chicory,[1] or Texas dandelion is in the genus Pyrrhopappus of the family Asteraceae or Compositae, native throughout Eastern and South Eastern United States. It is a weedy annual found in mostly open grasslands and wet roadsides. P. carolinianus can bloom from spring to frost with the heads facing the sun throughout the day. ”[2]

Carolina desert-chicory
Pyrrhopappus carolinianus at Goose Pond Fish and Wildlife Reserve, Indiana
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
Order:
Asterales
Family:
Asteraceae
Genus:
Pyrrhopappus
Species:
P. carolinianus
Binomial name
Pyrrhopappus carolinianus
(Walter) DC.
Synonyms
  • Pyrrhopappus georgianus Shinners
  • Sitilias caroliniana (Walter) Raf.

Identification

Pyrrhopappus carolinianus can have more than one erect, flowering stem that can grow up to 50 cm. in length. The leaves are deeply lobed 5-15 cm. long. The smaller upper leaves are slightly indented. The yellow flowers can be up to 3.75 cm. in width. Because it is in the family Asteraceae, it has rays and disc flowers, both of which are yellow.

Pollination

The oligolectic bee, Hemihalictus spp., have been found to be the pollinators for the Carolina desert-chicory. ”[2]

References
  1. "Pyrrhopappus carolinianus". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 21 June 2016.
  2. Estes, James R.; Thorp, Robbin W. (1975-01-01). "Pollination Ecology of Pyrrhopappus carolinianus (Compositae)". American Journal of Botany. 62 (2): 148–159. doi:10.2307/2441589. JSTOR 2441589.


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