Fleischmannia is a genus of flowering plant

Flowering plant

The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

 in the Asteraceae

Asteraceae

The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...

 family. The name honours Gottfried F. Fleischmann (1777–1850), the teacher of Carl Heinrich Schultz at Erlangen. Members of the genus are native to South

South America

South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...

, Central

Central America

Central America is the central geographic region of the Americas. It is the southernmost, isthmian portion of the North American continent, which connects with South America on the southeast. When considered part of the unified continental model, it is considered a subcontinent...

, and North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

, with some species found as far north as Virginia

Virginia

The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

 and Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

. They are commonly known as thoroughworts.

Fleischmannia is in the tribe Eupatorieae

Eupatorieae

Eupatorieae is a tribe of over 2000 species of plants in the aster family. Most of the species are native to tropical, subtropical, and warm temperate areas of the Americas, but some are found elsewhere...

 and as such has flower heads with disc florets and no ray florets. Within that tribe it is most closely related to Conoclinium

Conoclinium

Conoclinium, the mistflowers, is a genus of four species of herbaceous perennial flowering plants, native to North America. They are tall, and have blue to purple or violet flowers ....

and Ageratum.

Selected species

• Fleischmannia aequinoctialis
  Fleischmannia aequinoctialis
  Fleischmannia aequinoctialis is a species of flowering plant in the Asteraceae family.It is found only in Ecuador.Its natural habitat is subtropical or tropical moist montanes.It is threatened by habitat loss.-Source:...
  
  (B.L.Rob.) R.M.King & H.Rob.
• Fleischmannia harlingii
  Fleischmannia harlingii
  Fleischmannia harlingii is a species of flowering plant in the Asteraceae family.It is found only in Ecuador.Its natural habitat is subtropical or tropical dry shrubland.It is threatened by habitat loss.-Source:...
  
  R.M.King & H.Rob.
• Fleischmannia incarnata (Walter) R.M.King & H.Rob. – Pink Thoroughwort
• Fleischmannia lloensis
  Fleischmannia lloensis
  Fleischmannia lloensis is a species of flowering plant in the Asteraceae family.It is found only in Ecuador.Its natural habitat is subtropical or tropical high-altitude shrubland.It is threatened by habitat loss.-Source:...
  
  (Hieron.) R.M.King & H.Rob.
• Fleischmannia microstemon (Cass.) R.M.King & H.Rob. – Tropical Thoroughwort
• Fleischmannia obscurifolia
  Fleischmannia obscurifolia
  Fleischmannia obscurifolia is a species of flowering plant in the Asteraceae family.It is found only in Ecuador.Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montanes....
  
  (Hieron.) R.M.King & H.Rob.
• Fleischmannia pratensis (Klatt) R.M.King & H.Rob.
• Fleischmannia pycnocephala (Less.) R.M.King & H.Rob. – Lavender Thoroughwort
• Fleischmannia sonorae (A.Gray) R.M.King & H.Rob. – Sonoran Thoroughwort