gomphocarpus physocarpus or balloonplant or balloon cotton bush or bishop`s balls or swan plant.

background ball balloon balloonplant biodiversity biology bishop blur botanic botanical botany bush circle circular closeup cotton ecology exotic foliage fresh fruit garden gomphocarpus hairy herb herbal hybrid inflate interesting lanceolate leaf milkweed natural nature object ornamental outdoor park perennial physocarpus plant rare round shape shrub species spheroid swan swelling tropical