Stylocline

neststraw
Stylocline micropoides
southern Nevada
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Inuleae[1]
Genus: Stylocline
Type species
Stylocline gnaphaloides[2]

Stylocline (neststraw) is a small genus of North American desert plants in the Inuleae tribe within the daisy family.[2][3]

Neststraw is native to the southwestern United States and northern Mexico.[4]

Description

Species of Stylocline are generally small plants, and certain ones are difficult to distinguish from each other because identifying characteristics are too small to see with the naked eye.

They are annuals with woolly, hairy, or spiderwebby textures. Thin stems end in heads of disc flowers or tubular pistillate flowers. The fruits are smooth and shiny and encapsulated within the disc heads.[4]

Species

Species include:[1][5]

  1. Stylocline citroleum - oil neststraw — California (Kern + San Diego Counties)
  2. Stylocline gnaphaloides - mountain neststraw — California, Arizona
  3. Stylocline intertexta - Morefield's neststraw — California, Arizona, Nevada, Utah
  4. Stylocline masonii - Mason's neststraw — California (Kern, Los Angeles, San Luis Obispo, & Monterey Counties)
  5. Stylocline micropoides - woolly neststraw — Sonora, Baja California, California, Arizona, Nevada, Utah, New Mexico, Texas
  6. Stylocline psilocarphoides - baretwig neststraw — California, Nevada, Oregon, Idaho, Utah
  7. Stylocline sonorensis - Sonoran neststraw — Sonora, California (Riverside County), and Arizona (Pima, Pinal, Santa Cruz, & Graham Counties)

Former species

Species formerly included and reclassified:[1]

References

  1. 1 2 3 Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-11-06 at Archive.is
  2. 1 2 Nuttall, Thomas. 1840. Transactions of the American Philosophical Society, new series 7: 338–339 in English
  3. ↑ Tropicos, Stylocline Nutt.
  4. 1 2 Flora of North America, Vol. 19, 20 and 21 Page 450 Neststraw, Stylocline Nuttall
  5. ↑ Biota of North America Program 2013 county distribution maps


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