Dieteria bigelovii

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Dieteria bigelovii
Rocky mountain flowers (Plate 38) (6280209934).jpg
Fig. nº 4
Status TNC G4.svg
Apparently Secure  (NatureServe) [1]
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Dieteria
Species:
D. bigelovii
Binomial name
Dieteria bigelovii
Synonyms [2]
Synonymy
  • Aster aquifolius(Greene ex Wooton & Standl.) S.F.Blake
  • Aster bigeloviiA.Gray
  • Aster pattersoniiA.Gray
  • Aster rubrotinctusS.F.Blake
  • Aster townshendiiHook.f.
  • Machaeranthera aquifoliaGreene ex Wooton & Standl.
  • Machaeranthera aquifoliaGreene
  • Machaeranthera asperaGreene
  • Machaeranthera bigelovii(A.Gray) Greene
  • Machaeranthera centaureoidesGreene ex Wooton & Standl.
  • Machaeranthera pattersonii(A.Gray) Greene
  • Machaeranthera rubricaulisRydb.
  • Machaeranthera spectabilisGreene
  • Machaeranthera variansGreene
  • Machaeranthera viscosulaRydb.
  • Machaeranthera commixtaGreened, syn of var. commixta
  • Aster adenolepisS.F.Blake, syn of var. mucronata
  • Machaeranthera mucronataGreene, syn of var. mucronata

Dieteria bigelovii, also known as Bigelow's tansyaster [3] or sticky aster, [4] is a North American species of plants in the family Asteraceae.

Contents

Description

D. bigelovii is a biennial or perennial herb growing to 30–90 centimetres (12–35 inches) in height. The leaves are 5–10 cm (2–4 in) long with sharp teeth. [4] Between August and October, the plant produces several flower heads about 4 cm (1+12 in) wide. [4] The blue or purple ray florets are female, while the yellow disc florets are bisexual. [5] [6] The ray florets close upwards in shade. [4] The fruit is seedlike, with bristles at the tip. [4]

True asters are similar, but usually lack spiny or divided leaves. [4]

Taxonomy

Varieties [2] [5]

Distribution and habitat

The species is native to the southwestern United States (Arizona, New Mexico, Utah, Colorado, and Albany County in Wyoming). [7] It can be found in open areas of coniferous forests. [4]

Dieteria bigelovii was evaluated by NatureServe as G4, "apparently secure", in 1993. This means that at a global level it has fairly low risk of extinction or collapse due to an extensive range and/or many populations or occurrences, but with possible cause for some concern as a result of local recent declines, threats, or other factors. It was additionally rated critically imperiled (S1) in Nevada, imperiled (S2) in Wyoming, and vulnerable (S3) in Arizona. [1]

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References

  1. 1 2 NatureServe (2023). "Dieteria bigelovii". NatureServe Explorer. Arlington, Virginia: NatureServe. Retrieved 1 May 2023.
  2. 1 2 The Plant List Dieteria bigelovii (A.Gray) D.R.Morgan & R.L.Hartm.
  3. USDA, NRCS (n.d.). "Machaeranthera bigelovii var. bigelovii". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 21 June 2015.
  4. 1 2 3 4 5 6 7 Spellenberg, Richard (2001) [1979]. National Audubon Society Field Guide to North American Wildflowers: Western Region (rev ed.). Knopf. p. 385. ISBN   978-0-375-40233-3.
  5. 1 2 Flora of North America, Dieteria bigelovii (A. Gray) D. R. Morgan & R. L. Hartman, Sida. 20: 1394. 2003.
  6. Gray, Asa 1857. Reports of explorations and surveys: to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, made under the direction of the Secretary of War 4(5): 97
  7. Biota of North America Program 2014 county distribution map