Chromolaena frustrata called Cape Sable false thoroughwort[4] or Cape Sable thoroughwort,[5] is a rare North American species of flowering shrub in the family Asteraceae. It is found only in southern Florida, on the Florida Keys, inside Everglades National Park, and other nearby low-lying areas. It grows on coastal rock outcrops, the edges of hammocks, and other undisturbed sites at elevations less than 10 meters (33 feet) above sea level.[4][6]

Chromolaena frustrata is a perennial herb rarely more than 25 cm (10 inches) tall. Flower heads are produced in groups of 2–6. The heads contain blue or lavender disc florets but no ray florets.[4]

References

  1. ^ "NatureServe Explorer Chromolaena frustrata". NatureServe Explorer Chromolaena frustrata. Arlington Virginia, United States of America: NatureServe. 2022-06-03. NatureServe Element Code:PDAST3P0N0. Retrieved 23 Jun 2022.
  2. ^ Faber-Langendoen, D; Nichols, J; Master, L; Snow, K; Tomaino, A; Bittman, R; Hammerson, G; Heidel, B; Ramsay, L; Teucher, A; Young, B (2012). NatureServe Conservation Status Assessments: Methodology for Assigning Ranks (PDF) (Report). Arlington, Virginia, United States of America: NatureServe.
  3. ^ The Plant List, Chromolaena frustrata (B.L.Rob.) R.M.King & H.Rob.
  4. ^ a b c Flora of North America, Cape Sable false thoroughwort, Chromolaena frustrata (B. L. Robinson) R. M. King & H. Robinson
  5. ^ NRCS. "Chromolaena frustrata". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 16 June 2015.
  6. ^ Biota of North America Program 2014 county distribution map
Allikas: http://en.wikipedia.org/wiki/Chromolaena_frustrata
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