Photo: Veronicastrum sibiricum 1.

var. sibiricum. Blue flowers against the sun. Linnés trädgård, Uppsala, Sweden. Planted. 2003-06-22.
Veronicastrum sibiricum (L.) Pennell Bot. syn.: Leptandra sibirica Nutt. ex G. Don, Veronica sibirica L., Veronicastrum virginicum (L.) Farw. var. sibiricum (L.) Boiv.
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Photo: Veronicastrum sibiricum 1.