Eupatorium mohrii, commonly called Mohr's thoroughwort, is a herbaceous perennial plant in the family Asteraceae native to the southeastern and south-central states of the United States, in the coastal plain from Virginia to Texas.[3] It has also been found in the Dominican Republic.[4]

Eupatorium mohrii is a perennial herb up to 100 cm (40 inches) tall and are producing tuberous rhizomes. As with other species of Eupatorium, the inflorescences contain a large number of tiny white flower heads, each with 5 disc florets but no ray florets. It forms hybrids with Eupatorium serotinum and Eupatorium rotundifolium.[3]

Eupatorium mohrii grows in moist areas, edges of ponds, and sandy soils.[3]

References

  1. ^ "Eupatorium mohrii". NatureServe Explorer. NatureServe. Retrieved 2010-09-12.[permanent dead link]
  2. ^ The Plant List, Eupatorium mohrii Greene
  3. ^ a b c "Eupatorium mohrii". Flora of North America.
  4. ^ Sullivan (1983). "Eupatorium mohrii, a new record for the Dominican Republic, including E. quinqueflorum, syn. nov. (Asteraceae)". Sida. 10 (1): 37–40.