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Asclepias mexicana
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Gentianales
Family:	Apocynaceae
Genus:	Asclepias
Species:	A. mexicana
Binomial name
	Asclepias mexicana; Cav.

Asclepias mexicana grows in the western United States and Mexico. It has been found in the U.S. in California, Washington, Oregon, Idaho, and Arizona.^[1] A. mexicana Cav. can be distinguished by its whorled leaves, arranged in threes on the main stem and flowering branches and are rarely opposite.^[2]^[3]

References

^ Carr, Katherine (1942). "A Key to the North American Species of Asclepias, without Fruit or Color Characters". Castanea. 7 (1): 1–7. JSTOR 4031299.
^ Blackwell, Will H. (1964). "Synopsis of the 23 Species of Asclepias (Asclepiadaceae) in Tamaulipas and Nuevo Leon Including Two New Species, Asclepias Bifida and Asclepias Prostrata". The Southwestern Naturalist. 9 (3): 171–180. doi:10.2307/3669574. JSTOR 3669574.
^ Woodson, Robert E. (1944). "Notes on Some North American Asclepiads". Annals of the Missouri Botanical Garden. 31 (4): 363–371. doi:10.2307/2394370. JSTOR 2394370.

Woodson, Robert E. (1944). "Notes on Some North American Asclepiads". Annals of the Missouri Botanical Garden. 31 (4): 363–371. doi:10.2307/2394370. JSTOR 2394370.
Blackwell, Will H. (1964). "Synopsis of the 23 Species of Asclepias (Asclepiadaceae) in Tamaulipas and Nuevo Leon Including Two New Species, Asclepias Bifida and Asclepias Prostrata". The Southwestern Naturalist. 9 (3): 171–180. doi:10.2307/3669574. JSTOR 3669574.
Carr, Katherine (1942). "A Key to the North American Species of Asclepias, without Fruit or Color Characters". Castanea. 7 (1): 1–7. JSTOR 4031299.

[[Category:Taxa named by Antonio José Cavanilles]

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[1] Carr, Katherine (1942). "A Key to the North American Species of Asclepias, without Fruit or Color Characters". Castanea. 7 (1): 1–7. JSTOR 4031299.

[2] Blackwell, Will H. (1964). "Synopsis of the 23 Species of Asclepias (Asclepiadaceae) in Tamaulipas and Nuevo Leon Including Two New Species, Asclepias Bifida and Asclepias Prostrata". The Southwestern Naturalist. 9 (3): 171–180. doi:10.2307/3669574. JSTOR 3669574.

[3] Woodson, Robert E. (1944). "Notes on Some North American Asclepiads". Annals of the Missouri Botanical Garden. 31 (4): 363–371. doi:10.2307/2394370. JSTOR 2394370.

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