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Apocynum

See list of 2 species in this genus

Reference: Woodson (1930).

  • 1a. Corolla pink or white and pink-striped, 6–10 mm long, its lobes spreading or recurving 
 [Fig. 359]; flowers spreading to nodding; seeds 2.5–3 mm long; leaf blades wide-spreading 
to drooping
  • 1b. Corolla white, green-white, or yellow, 3–6 mm long, its lobes erect or slightly spreading [Fig. 360]; flowers ascending to spreading; seeds 4–6 mm long; leaf blades erect to spreading

 Show photos of:   Each photo represents one species in this genus.