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Idria columnaris Kellogg
Proc. Calif. Acad. Sci. 2: 34 (-35). 1860 [Jan 1860?] Hesperian 4: 101 (fig.). May 1860 As "columnaria"

(2 Photos)
  • The stem of the leaf becomes a thorn once the leaf dries up.
    by agrawal
  • by agrawal