Home >> Checklist: Asclepias of the American Southwest >> Key: Asclepias of the American Southwest
Taxon:
Display as:
Plant
  habit
   shrubs
   herbaceous
   aquatic & OBL wetland species
  longevity
   annual or biennial
   perennial
Leaves
  arrangement/phyllotaxy
   alternate
   opposite
   whorled
  leaf attachment
   sessile or nearly so
   leaf stalk (petiole) clearly present
  leaf (leaflet) margin
   entire
   toothed
   revolute
  leaf(let) base
   acuminate
   attenuate
   clasping
   cordate
   cuneate
   obtuse
   rounded
   truncate
  broadest point of leaf (leaflet)
   broadest at middle
   broadest below middle
Inflorescence
  type
   solitary
   panicle
   cymose
Flower
  principal flower color
   white or cream
   purple
   green
   yellow
   orange
   red
   pink
   brown
  corolla (petal) fusion
   petals separate
   fused, at least toward base
Fruit or Cone
  appendages
   wings
   copious hair
Stem & Twigs
  succulent vs non-succulent
   succulent
   not succulent

Asclepias of the American Southwest

Nabhan and Buckley
Species Count: 62

Apocynaceae