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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Asclepias cryptoceras (Pallid milkweed)
Bransford, W.D. and Dolphia

Asclepias cryptoceras

Asclepias cryptoceras S. Watson

Pallid Milkweed, Humboldt Mountain Milkweed

Asclepiadaceae (Milkweed Family)



USDA Native Status: L48 (N)

"Plant 4-12 inches long, stems trailing along the ground. Opposite leaves are smooth and broadly oval, almost as long as broad. Flower clusters may or may not be short-stalked, individual flowers have greenish white petals that are bent downward and each lobe is about 1/2 inch long. The 5 pouch-shaped hoods are pale rose. Seedpods are broadly spindle-shaped and up to 2 1/4 inch long." (Bibref 1336)


From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Arrangement: Opposite
Leaf Complexity: Simple
Fruit Type: Follicle
Size Notes: Stems usually prostrate to decumbent, up to about 1 foot long.
Flower: Sepals 5

Bloom Information

Bloom Color: Yellow , Green , Purple
Bloom Time: Apr , May , Jun


USA: AZ , CA , CO , ID , NV , OR , UT , WA , WY
Native Habitat: Desert shrub and pinyon-juniper communities.

Value to Beneficial Insects

Special Value to Native Bees
Special Value to Bumble Bees
Special Value to Honey Bees
Supports Conservation Biological Control

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Additional resources

USDA: Find Asclepias cryptoceras in USDA Plants
FNA: Find Asclepias cryptoceras in the Flora of North America (if available)
Google: Search Google for Asclepias cryptoceras


Record Modified: 2017-08-15
Research By: Joseph A. Marcus, NH

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