Taxon:

Display as:
Plant
  longevity
   annual or biennial
   perennial
Leaves
  arrangement
   alternate
   opposite
   whorled
  leaf(let) base
   attenuate
   cuneate
   obtuse
   rounded
   cordate
   clasping
  attachment to stem
   sessile or nearly so
   petiolate
Inflorescence
  Bloom Season
   spring
   fall
   winter
Flower
  corolla (petal) fusion
   polypetalous
   sympetalous
  principal flower color
   green
   white
   yellow
   orange
   pink
   red
   purple
   brown

Asclepias of Colorado

Nabhan, Buckley, and Fishbein
Species Count: 17

Apocynaceae

The National Science Foundation
This project made possible by National Science Foundation Award 1410069