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
Conservation status
Critically Imperiled  (NatureServe)[1][2]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Chromolaena
Species:	C. frustrata
Binomial name
Chromolaena frustrata (B.L.Rob.) R.M.King & H.Rob.
Synonyms[3]
Eupatorium frustratum B.L.Rob. Osmia frustrata (B.L.Rob.) Small

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

External links

• photo by Keith Bradley
• Atlas of Florida Vascular Plants