sauropus androgynus l. merr. or star gooseberry tree

allergenic allergic allergy ambrosia american androgynus annie annual artemisia artemisiifolia background bitterweed blackweed carrot color disease flowers fresh garden gooseberry green growth hay head ilness leaf merr nature plant pollen ragweed sagewort sauropus sickness spring stammerwort star stem stickweed summer sweet tassel tree weed wormwood