Tetraneuris turneri explained

Tetraneuris turneri is a North American species of plants in the sunflower family, known by the common name Turner's four-nerve daisy. It has been found in the US state of Texas and in the nearby Mexican state of Coahuila.^{[1] [2]}

Tetraneuris turneri is a perennial herb up to 50cm (20inches) tall. It forms a branching underground caudex sometimes producing as many as 20 unbranched, above-ground stems, sometimes some of them leaning against other vegetation. The plant generally produces one flower head per stem. Each head has 12–24 yellow ray flowers surrounding 100–250 yellow disc flowers^{[3] [4]}

External links

• photo of herbarium specimen at Missouri Botanical Garden, collected in Texas in 1965

Notes and References

1. http://bonap.net/MapGallery/County/Tetraneuris%20turneri.png Biota of North America Program 2014 county distribution map
2. Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae (chapter 11: tribe Helenieae). Phytologia Memoirs 16: 1–100
3. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250067735 Flora of North America, Tetraneuris turneri (K. F. Parker) K. F. Parker, 1980.
4. https://www.biodiversitylibrary.org/page/13040382#page/204/mode/1up Kittie Lucille Fenley Parker. 1970. Phytologia 20(3): 192