Plants!


Spiny Threecornerjack (Emex spinosa)

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Emex Spinosa, or more commonly know as Spiny Threecornerjack, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) of the genus Emex. Its duration is annual which means it grows for one season only. Emex Spinosa or Spiny Threecornerjack's floral region is North America US Lower 48 and Hawaii, specifically in the states of California, Florida, Hawaii, Massachusetts, New Jersey and Texas.

  • Category: Dicot
  • Genus: Emex
  • Family: Polygonaceae
  • Order: Polygonales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Annual
  • Growth Habit: Forb/herb
  • Native Status: L48 (I) HI (I)
  • Federal Noxious Status: NW
  • Federal Noxious Common Name: devil's thorn
  • State Noxious Status: AL (CAW) CA (Q) FL (NW) HI (NW) MA (P) MN (PNW) NC (CAW) OR (Q) SC (PP) VT (CAW)
  • State Noxious Common Name: AL (devil's thorn) CA (devil's thorn) FL (devil's thorn) HI (spiny emex) MA (devil's thorn) MN (devil's thorn) NC (spiny threecornerjack) OR (devil's thorn) SC (spiny emex) VT (devil's thorn)
  • PLANTS Invasive Status: STATE US





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