No interactions present.
I aam told that the leaves can be variable, I am wondering if this also applies to the flower heads, re. their lenght..? Please check the link, it will take you to my image on Ispot, interested in what you have to say.
An iSpot Project- HELP WITH IDS - UK & Ireland Community - PLANTS
Lat/Lng: 58.1731, -5.3046
OS grid ref: NC057252