Names
Scientific Name: Cynanchum arizonicum
Synonym: Metastelma arizonicum
Common Names: Arizona swallow-wort
Characteristics
Duration: Perennial
Growth Habit: Vine forb/herb
Arizona Native Status: Native
Habitat:Desert mountain slopes and canyons
Flower Color: White to yellow
Flowering Season: Throughout the year
Height: N/A
Description: Arizona swallow-wort has vining stems that often wrap around each other, a slightly woody base, and thick, narrow leaves. It may be found growing within the stems and leaves of other plants.
Special Characteristics
This plant is known to occur in the United States only in southern Arizona.
Classification
Order:Gentianoales
Family: Asclepiadaceae
SOURCES:
Gray, A. Proceedings of the American Academy of Arts and Sciences 19: 85. 1883
Shinners, L.H. Sida 1 (6): 365. 1964
Sundell, E. 1993. Asclepiadaceae, Milkweed Family. Journal of the Arizona-Nevada Academy of Science 27(2): 182. 169-187
iNaturalist.org /inaturalist.org/taxa/161391-Cynanchum-arizonicum