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Key to Galeopsis

Lamiaceae

Galeopsis

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1 Stem with soft, appressed hairs; stem not swollen at the nodes
1 Stem with rigid, bristly hairs; stem swollen at the nodes.
  2 Terminal lobe of lower lip of corolla clearly emarginate and also convex (the sides revolute); corolla 13-16 mm long
  2 Terminal lobe of the lower lip of the corolla entire to very slightly emarginate, essentially planar, not revolute; corolla 13-20 (-25) mm long