pink wild flowers. silkweed. asclepias syriaca

america apocynaceae asclepiadaceae asclepias background beautiful bloom blooming blossom budding buds butterfly cluster colorful common dicotyledonous flora flower flowers green herb herbaceous leaf mauve meadow milkweed milkweeds nature north ontario outdoors perennial pink plant purple silkweed silky stem summer swallowwort swamp syriaca umbel vertical violet virginia weed white wild wildflower