Tetraneuris verdiensis explained

Tetraneuris verdiensis is a rare North American species of plants in the sunflower family. It has been found in only in Yavapai County in Arizona in the southwestern United States.[1]

Tetraneuris verdiensis is a small perennial herb rarely more than 15cm (06inches) tall. It forms a branching underground caudex sometimes producing as many as 15 unbranched, above-ground stems. The plant generally produces one flower head per stem. Each head 20-40 yellow disc flowers but no ray flowers.[2] [3]

Notes and References

  1. http://bonap.net/MapGallery/County/Tetraneuris%20verdiensis.png Biota of North America Program 2014 county distribution map
  2. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250067736 Flora of North America, Tetraneuris verdiensis R. A. Denham & B. L. Turner, 1996.
  3. https://www.biodiversitylibrary.org/page/13076141#page/7/mode/1up Denham, Robert A. & Turner, Billie Lee. 1996. Phytologia 81(1): 5–9