Cynanchum arizonicum (Arizona Swallow-Wort)

Family

ASCLEPIADACEAE

Synonyms

METASTELMA ARIZONICUM

Common Name

Arizona Swallow-Wort

Agency Status
USFWS	State of NM	USFS	BLM	Navajo Nation	State Rank	Global Rank	R-E-D Code	NMRPTC Status	Strategy Status
					S2?	G3G4		D

Distribution

Arizona, Maricopa, Pima, and Pinal counties; Mexico, Sonora (Sundell 1993). Southern Arizona in Pinal, Maricopa, and Pima counties (Shreve & Wiggins 1964).

Habitat

Among shrubs on rocky hillsides, Lower Sonoran Zone (Shreve & Wiggins 1964); rocky slopes and canyons of desert mountain ranges; 1,500-4,500 ft. (Sundell 1993).

Important Literature

Kearney, T.H. and R.H. Peebles. 1960. Arizona flora, second edition with supplement. University of California Press, Berkeley.

Martin, W.C. and C.R. Hutchins. 1980. A flora of New Mexico. J. Cramer, Germany.

Shreve, F. and I.L. Wiggins. 1964. Vegetation and flora of the Sonoran Desert. Two volumes. Stanford University Press.

Sundell, E. 1981. The New World species of Cynanchum L. subgenus Mellichampia (A. Gray ex S. Wats.) Woods. (Asclepiadaceae). Evolutionary Monographs 5:1-63.

Sundell, E. 1993. Asclepiadaceae. Journal of the Arizona-Nevada Academy of Science 27(2):182.

Wooton, E.O. and P.S. Standley. 1915. Flora of New Mexico. Contributions from the United States National Herbarium, Smithsonian Institution, Government Printing Office, Washington, D.C.

Information Compiled By

David Bleakly 1998

For distribution maps and more information, visit Natural Heritage New Mexico