Litrisa Explained

Litrisa is a genus of flowering plants in the tribe Eupatorieae within the family Asteraceae.^{[1] [2]}

Some taxonomists group Litrisa and Trilisa into the genus Carphephorus.^[3]

SpeciesThere is only one known species, Litrisa carnosa, called pineland chaffhead, native to the State of Florida in the United States.^{[4] [5] [6]} It is a shrub up to 90 cm (3 feet) tall, covered with many small hairs and producing flat-topped inflorescences of many small purplish flower heads.^[3]

Notes and References

1. https://www.biodiversitylibrary.org/page/12126728#page/404/mode/1up Small, John Kunkel. 1924. Bulletin of the Torrey Botanical Club 51(9): 392
2. http://www.tropicos.org/Name/40007923 Tropicos, Litrisa Small
3. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=105698 Flora of North America Vol. 21 Page 535 Carphephorus Cassini, Bull. Sci. Soc. Philom. Paris. 1816: 198. 1816.
4. http://dixon.iplantcollaborative.org/CompositaeWeb/default.aspx?Page=NameDetails&TabNum=0&NameId=2e6a9473-2675-4715-ab3b-7c8b18f30ba4 Flann, C (ed) 2009+ Global Compositae Checklist
5. http://bonap.net/MapGallery/County/Carphephorus%20carnosus.png Biota of North America Program 2013 county distribution map, Carphephorus carnosus
6. http://florida.plantatlas.usf.edu/Plant.aspx?id=1169 Atlas of Florida Vascular Plants