Emory's Milkweed
Asclepias emoryi

Photo Citations

Naturedigger would like to thank the following individual for his contributions to the Emory's milkweed (Asclepias emoryi) identification slide:

Flower image and leaf and stem image provided by: Mark Fishbein, iNaturalist observation (cropped), CC BY-NC 4.0

Asclepias emoryi Profile

Common Name(s):

Emory's milkweed

 

Scientific Name:

Asclepias emoryi

 

Native Range:

• NM, TX

USDA Symbol:

ASEM

 

Habitat:

• grasslands

• rolling plains

 

Growing Conditions:

• full sun

• sandy loam soils

 

Plant Height:
• 5-10 inches (10-20 centimeters)

 

Stem Description:

• branch from base

• originate from clustered root stalks

• may be purplish or green

• hairy

 

Leaf Description: 

• narrowly oblong-lanceolate

• long, somewhat hairy petiole

• 1.5-3.15 inches (4-8 centimeters) long

• may curve downward

 

Leaf Arrangement:

• opposite

 

Leaf Margin:

• undulating

• folded upward from midvein

• hairy

• may be purplish

 

Leaf Surface:

• sparse, long hairs

• mature plants may become less hairy

 

Flowering Period:

March through September


Flower Description:

• hoods blunt at apex

• horns not visible 

• tiny; approximately .25 inch (5 millimeters) long

• borne singly, not tightly packed or in globe-like umbels

• reflexed petals

• hoods extend at least a 1/3 longer than the anther head

 

Flower Color:

• pale green to pale greenish-cream

 

Pod Description:

• No data (will include when available)

Other Information:

• Similar to Asclepias Oenotherioides (Zizotes milkweed) - The hoods of A. emoryi are unilobed, while the hoods or A. oenotheroides are lobed

 

 

 

 

To Locate and Purchase Seeds (when available):

 

Xerces Society Milkweed Seed Finder 

 

Milkweed and Wildflower Vendors

 

Grow Milkweed Plants

 

 

For More Information About This Species Visit:

 

Lady Bird Johnson Wildflower Center

 

USDA Plants Database

 

Texas Parks and Wildlife Department

 

https://www.wildflower.org/plants/result.php?id_plant=ASEM

 

iNaturalist