the seed pod of the milkweed, food of the monarch butterfly

asclepiadoideae asclepias balloon balloonplant balls beautiful bishops bladder bush butterfly capsule chlorophyll cottonbush designs family flora fruit fruticosa fruticosus full giant gomphocarpus goose green greenyellow hairy head hollow its jewels life milkweed monarch mother natural nature packaging packet physocarpa physocarpus plant pod prickly prime protective red seed seedhead showing spikes spikey springy swan translucent