Contact Us Host an Event Volunteer Join
Share

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.

Enter a Plant Name:
Or choose a plant family:

Asclepias hypoleuca

Asclepias hypoleuca (A. Gray) Woodson

Mahogany Milkweed

Asclepiadaceae (Milkweed Family)

Synonym(s):

USDA Symbol: ASHY5

USDA Native Status: L48 (N)

Perennial, 30-100 cm tall with erect, unbranched, tomentose (covered with a dense layer of short, matted, woolly hairs) stems. Opposite leaves, oblong to ovate, 4-15 cm long, 2-10 cm wide on petioles 3-15 cm long; green, glabrous or with sparse hairs on upper surface, whitened on under surface by dense curly hairs. Inflorescences are umbels, 5-8 cm broad located terminally and laterally on uppermost nodes on peduncles 2-15 cm long. Corolla lobes of individual flowers 8-11 mm long; greenish on outside, purplish inside. Hoods, 6-10 mm long are purple, erect and ascending. Follicles are erect on deflexed pedicels, 8-12 cm long. (Webref 23)

The densely tomentose herbage and underside of the leaves can be distinctive, along with the nodding umbel, ending in reddish corolla. Hypoleuca means whitish beneath. (Webref 23)

 

From the Image Gallery

No images of this plant

Plant Characteristics

Duration: Perennial
Habit: Herb

Bloom Information

Bloom Color: Red
Bloom Time: Jun , Jul , Aug

Distribution

USA: AZ , NM
Native Habitat: Oak and pine woodlands to the ponderosa zone, mts.; 1850-2550 m (6000-8300 ft). (Webref 23)

Web Reference

Webref 23 - SOUTHWEST ENVIRONMENTAL INFORMATION NETWORK, SEINet - Arizona Chapter. (2009) SOUTHWEST ENVIRONMENTAL INFORMATION NETWORK, SEINet - Arizona Chapter

Additional resources

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

Metadata

Record Modified: 2017-08-24
Research By: DEW, NH

Go back