Asclepias labriformis M.E. Jones
Asclepiadaceae (Milkweed Family)
USDA Symbol: ASLA
"Erect and upright perennial to 50 cm, with smooth stems as it gets older. Leaves: The leathery leaves are opposite to almost opposite with the blades less than 6 inches long and never more than three-quarters of an inch wide, with a patch of hair at the base of the midrib. Flowers: The umbels have a gently rounded flat top and bear a few to many yellowish flowers. The faintly scented flowers are creamy yellow to yellowish-green and are each less than a half-inch across. Fruits: The smooth pods are pendulous and 1-3 inches long." (Webref 23)
"Cronquist, et al. (1984) noted that it is considered one of the most poisonous of all western range plants and is endemic to Utah." (Webref 23)
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Fruit Type: Follicle
Size Notes: Up to about 20 inches tall.
Bloom InformationBloom Color: Yellow , Green
Bloom Time: May , Jun , Jul , Aug
Bloom Notes: Creamy yellow to yellowish green.
Native Distribution: Endemic to Utah.
Native Habitat: "Found in dry sandy soils along washes where there is moist subsoil, from 3,500- 7,000 ft (1067-2143 m)" (Webref 23)
Mr. Smarty Plants says
Sources for seed of Utah native Asclepias labriformis
January 08, 2006
Hi there, I am looking for seeds of the plant "Asclepias labriformis" which is native to Utah. Can you help me to find seeds from this plant?
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BibliographyBibref 641 - Intermountain Flora: Vascular Plants of the Intermountain West, U.S.A. (1984) Cronquist, A.
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Web ReferenceWebref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resourcesUSDA: Find Asclepias labriformis in USDA Plants
FNA: Find Asclepias labriformis in the Flora of North America (if available)
Google: Search Google for Asclepias labriformis
MetadataRecord Modified: 2022-10-04
Research By: DEW, NH