alpine flower gentian at bloom in summer

abloom alpina alpine alps asclepiadea bavaria bavarian bellshaped bloom blooming blue closeup color coloring colors colouring colours detail environment europe european flora flower flowering flowers gentian gentiana gentians german germany growth hue indigo karwendel mountainous native natural nature outside petal petals region reserve season seasonal side stemless structure summer summertime texture trumpetshaped vivid wildflower wildflowers willow endemic plant