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Grindelia ciliata

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Grindelia ciliata

Apparently Secure  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Grindelia
Species:
G. ciliata
Binomial name
Grindelia ciliata
(Nutt.) Spreng. 1826
Synonyms[1]
  • Donia ciliata Nutt. 1821
  • Haplopappus ciliatus (Nutt.) DC.
  • Prionopsis ciliata (Nutt.) Nutt.
  • Aster ciliatus Kuntze
  • Grindelia papposa G.L.Nesom & Y.B.Suh

Grindelia ciliata[2][3] (syn. Grindelia papposa,[4] Haplopappus ciliatus,[4] and Prionopsis ciliata[5]) is a species of flowering plant in the family Asteraceae known by the common names Spanish gold, goldenweed, and waxed goldenweed.

Grindelia ciliata is native to sections of the central United States, primarily the Great Plains from Iowa and Nebraska south to Texas and New Mexico. There are also isolated populations in Arizona and apparently naturalized populations in California, Maryland, Michigan, and the Mississippi Valley.[6]

Grindelia ciliata grows in prairies and grasslands, and in disturbed areas such as roadsides and along railroad tracks.[7]

Grindelia ciliata is an annual or biennial shrub sometimes as much as 150 cm (5 feet) tall, its upper stem branching. It is hairless. The leaves are alternately arranged, up to 8 cm (3.2 inches) long, their spiny-toothed blades longer than wide. The top of the stem is occupied by an inflorescence of several flower heads, their hemispheric bases up to 2.5 centimeters (one inch) wide and lined with many small, green phyllaries with curving tips. Each flower head may have up to 30 narrow, pointed yellow ray florets between 1 and 2 centimeters (0.4-0.8 inches) long, surrounding a center of yellow disc florets. The fruit is a brown achene about a centimeter (0.4 inches) long including its long pappus of bristles.[7]

References

[edit]
  1. ^ The Plant List, Grindelia ciliata (Nutt.) Spreng.
  2. ^ Flora of North America
  3. ^ "Grindelia ciliata". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 16 January 2018.
  4. ^ a b USDA Plants Profile
  5. ^ Jepson Manual Treatment
  6. ^ Biota of North America Program 2014 county distribution map, Prionopsis ciliata
  7. ^ a b Flora of North America, Grindelia ciliata (Nuttall) Sprengel, 1826.
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