thistle flowers (lat. carduus nutans) bloom in a clearing on a summer sunny day

spiny blooming spines thorn herbal herb thorny prickly beautiful species sharp weed summer field grassland biennial nodding thistle asteraceae walk good nectaros potentilla flowery meadows bristle bloodroot flowers abundance nectariferous plant pieris crataegi wild nature flora botany botanical spring natural purple musk wildflower herbaceous bud flower violet nutans green blossom floral meadow bloom carduus pink landscape cirsium acaule lat clearing sunny day drooping latin