ericaceous plants in chalamain gap, cairngorm mountains, highland scotland bilberry - vaccinium myrtillus, blaeberry or

acidic berries berry bilberry black blaeberry boulders britain british cairngorm cairngorms calluna chalamain crag crowberry empetrum ericaceae exposed flora flower gap glacial gorge granite green gulley habitat heather high highland horizontal landscape leaves mountain mountains myrtillus nature nigrum outdoors plant remote rock scotland scottish steep stone summer upland vaccinium vulgaris whortleberry wild wilderness wildflower