Swan Plant
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Gentianales
Family:	Apocynaceae
Subfamily:	Asclepiadoideae
Genus:	Asclepias
Species:	A. physocarpa
Binomial name
Asclepias physocarpa (E.Mey.) Schlechter
Synonyms
Gomphocarpus physocarpus E.Mey.

Asclepias physocarpa (also known as the swan plant, balloonplant, or balloon cotton-bush) is a species of milkweed plant. It belongs in the subfamily Asclepiadoideae. It has been naturalized in Hawai'i and has also been naturalized in other parts of the world.

Wikimedia Commons has media related to Gomphocarpus physocarpus.

Wikispecies has information on: Asclepias physocarpa.

• Asclepias physocarpa at USDA PLANTS Database

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