Depiction: Flowers sessile and gametopetalous, in clusters of 2-6 at leaf axils; Calyx fused with 5 spine-tipped lobes, petals 2, pubescent and fused with two yellow spots; stamens 4 and pubescent.
Photographer: Justin Hooper
Available images of Galeopsis tetrahit:
>Galeopsis tetrahit spring image-flower<