Metastelma arizonicum

Cynanchum arizonicum; Arizona swallow-wort
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Gentianales
Family:	Asclepiadaceae
Genus:	Cynanchum
Species:	C. arizonicum
Binomial name
	Cynanchum arizonicum; (A. Gray) Shinners
Synonyms
	Metastelma arizonicum A. Gray ; Metastelma watsonianum Standl.;

Cynanchum arizonicum, the "Arizona swallow-wort" or "Arizona climbing milkweed" is a plant native to Arizona, New Mexico and Sonora. It is a twining, herbaceous vine with whitish to yellow flowers, growing on rocky slopes and in canyons of desert mountain ranges.^[1]^[2]^[3]

References

^ Sundell, A. 1993. Asclepiadaceae, Milkweed Family. Journal of the Arizona-Nevada Academy of Science 27:169-187.
^ Shinners, L.H. Sida 1(6): 365. 1964.
^ Gray, A. Proceedings of the American Academy of Arts and Sciences 19: 85. 1883.

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[1] Sundell, A. 1993. Asclepiadaceae, Milkweed Family. Journal of the Arizona-Nevada Academy of Science 27:169-187.

[2] Shinners, L.H. Sida 1(6): 365. 1964.

[3] Gray, A. Proceedings of the American Academy of Arts and Sciences 19: 85. 1883.

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