Origin:
Native
Life Cycle:
Perennial
General Desc:
A trailing or twining vine growing up to 10 feet long on trees and shrubs. When damaged, can emit a milky sap which gives this
species its common name. Has a woody root. Identification notes: Perennial herbaceous vine; flowers with a crown between the corolla and stamens; stems glabrate or sparsely pubescent at the nodes
distinguishes this from other milkweeds. Height:
Vining stems up to 6 feet Habitat
Habitat Description: Desert washes and slopes, canyons, floodplains, disturbed sites. Climbs over bushes along streams and washes. Plant Communities:
Riparian, Disturbed Areas Elevation: 1500 - 4500 feet Flower Characteristics
Color:
White, purplish-white or greenish-white
Shape:
Regular in round clusters
Tubular:
N
Flowering Period:
May - Sep Description:
Has a star-like shape with 5 petals and 5 sepals to 1/2 inch wide. Flowers are fringed with white hairs. Clusters are to 4 inches wide.
Leaf and Stem Characteristics
Leaf Color:
Dark green
Leaf Type:
Simple
Leaf Shape:
Triangular
Leaf Margin:
Smooth
Leaf Attachment:
Opposite
Leaves Clasp:
N Hairs:
No
Spines:
N
Leaf Description:
Grows to 2-1/2 inches long. Leaves can be variable in width and shape from narrow to heart-shaped. Fruit and Seed Characteristics
Fruit Color: Green brown and white Fruit Type: Pod Fruit Notes: The fruit is a linear tear-drop shaped follicle up to 4-1/4 inches long that splits open at a seam and releases seeds on silky white, hair-like parachutes. Seed Notes: Seeds are brown.
Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590