asclepias syriaca. green flower buds of a common milkweed.

apocynaceae environment wildflower background evergreen asclepias beautiful botanical butterfly perennial undefined vegetable blooming milkweed purplish silkweed virginia wildlife produce blossom syriaca closeup foliage natural flowers flower nature branch garden insect purple common floral growth leaves spring summer meadow plant shrub lilac petal bloom color flora fresh green white fruit herb food leaf tree bush grow pink wild lavender