Calycoseris

Calycoseris
White tackstem
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Cichorieae
Subtribe: Microseridinae
Genus: Calycoseris
A.Gray [1]
Type species
C. wrightii A.Gray [1]
Species

2: See text.

Calycoseris is a small genus of two species of annual desert wildflowers in the daisy family, native to western North America in the southwestern United States and Northwestern Mexico. They are characterized by the tack-shaped gland hairs on their upper stems and bracts, the trait which gives them the common name tackstem. The two species of tackstem are the yellow tackstem, Calycoseris parryi and the white tackstem, Calycoseris wrightii.

  1. 1 2  The genus Calycoseris, along with the type (C. wrightii) was first described and published in Smithsonian Contributions to Knowledge. Washington, DC 5(6): 104. 1853. "Plant Name Details for Genus Calycoseris". IPNI. Retrieved January 23, 2012. Type Name: C. wrightii A.Gray
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