Funastrum hartwegii

Life form², ³: vine, non-woody
Habitat: washes
leaf presence³: leaves usually present
leaf arrangement³: opposite
leaf format³: simple
leaf shape³: linear
leaf surface³: smooth
leaf margin³: entire
Flower color²: brown and white or whitish
Flowering period²: May to Sept.
Armament², ³: spineless
Family¹, ², ³: Apocynaceae (dogbane family)
Conserved or Obsolete Family¹: Asclepiadaceae (milkweed family)
Synonym(s)¹: Funastrum. cynanchoides v. hartwegii, Sarcostemma cynanchoides ssp. Hartwegii, Funastrum heterophyllum
Status: common,widespread
Locations where collected or observed:
      Cabeza Prieta National Wildlife Refuge
      Organ Pipe Cactus National Monument
      Tinajas Altas area
      Barry M. Goldwater Range
      Sonoran Desert National Monument
      Ajo vicinity and BLM land

*For information on nomenclature, authorship, or plant characteristics, see these references:

• ¹ Felger, Richard Stephen, Susan Rutman, Thomas Van Devender, and Steven M. Buckley. 2012. Checklist of Vascular Plants of Organ Pipe Cactus National Monument, Cabeza Prieta National Wildlife Refuge, and Tinaja Altas, Arizona. CANOTIA 8:1-53
• ² Felger, Richard Stephen, Susan Rutman, Michael F. Wilson, and Kathryn Mauz. 2007. Botanical Diversity of Southwestern Arizona and Northwestern Sonora. in: Dry Borders, Great Natural Reserves of the Sonoran Desert. eds.: Richard Stephen Felger and Bill Broyles. The University of Utah Press, Salt Lake City
• ³ Felger, Richard Stephen. 2000. Flora of the Gran Desierto and Rio Colorado of Northwestern Mexico. The University of Arizona Press, Tucson