Key

Filter/Display Options
Family/Genus Filter:
Sort by:
Display Common Names
Display images
Plant
habit
shrubs
aquatic & OBL wetland species
Leaves
arrangement/phyllotaxy
alternate
opposite
whorled
leaf attachment
sessile or nearly so
leaf stalk (petiole) clearly present
leaf(let) base
attenuate
clasping
cordate
cuneate
obtuse
rounded
broadest point of leaf (leaflet)
broadest at middle
broadest below middle
Flower
principal flower color
white or cream
purple
green
yellow
orange
red
pink
brown
corolla (petal) fusion
petals separate
fused, at least toward base
Asclepias of Colorado
Nabhan, Buckley, and Fishbein
Species Count: 17
Apocynaceae
Asclepias arenaria
Asclepias asperula
Asclepias cryptoceras
Asclepias engelmanniana
Asclepias hallii
Asclepias incarnata
Asclepias involucrata
Asclepias latifolia
Asclepias macrotis
Asclepias oenotheroides
Asclepias pumila
Asclepias speciosa
Asclepias stenophylla
Asclepias subverticillata
Asclepias tuberosa
Asclepias uncialis
Asclepias viridiflora