Weigela praecox

Weigela praecox

Weigela praecox (Lemoine) L.H.Bailey.
Suom.: kevätkotakuusama.
Sven.: vårprakttry.
Bot. syn.: Diervilla praecox Lemoine.

I have no articles for this botanical term, but there might be some for the next level down (if found).