alpine flowers: clusius gentian (gentiana clusii)

alpine alpinism alps beautiful bloom blossom blue botany capsule carpathians close clusii clusius cold corolla ecology endangered enzian europe flower flowers foliage gentian gentiana grassland green grow hike july jura large leaves life limestone little mountain mountaineering nature nice park plant preserve protect pyrenees rare seed slovenia small soft stem summer tourism travel trek trekking weather wildflower