Overview
Distribution
National Distribution
United States
Origin: Unknown/Undetermined
Regularity: Regularly occurring
Currently: Unknown/Undetermined
Confidence: Confident
© NatureServe
Source:
NatureServe
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SPECIMEN BASED RECORD. Published protolog data.
http://www.tropicos.org/Reference/9990002
© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA
Source:
Missouri Botanical Garden
Trusted
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Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
http://www.tropicos.org/Reference/1103
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Munz, P. A. & D. D. Keck. 1959. Cal. Fl. 1–1681. University of California Press, Berkeley.
http://www.tropicos.org/Reference/1717
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Munz, P. A. 1974. Fl. S. Calif. 1–1086. University of California Press, Berkeley.
http://www.tropicos.org/Reference/1719
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Woodson, J. R. E. 1954. The North American species of Asclepias L. Ann. Missouri Bot. Gard. 41(1): 1–211.
http://www.tropicos.org/Reference/7133
© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA
Source:
Missouri Botanical Garden
Trusted
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SPECIMEN BASED RECORD. Published protolog data.
http://www.tropicos.org/Reference/9990002
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SPECIMEN BASED RECORD. 1986. Field Museum Type Record.
http://www.tropicos.org/Reference/1104
© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA
Source:
Missouri Botanical Garden
Trusted
Conservation
Conservation Status
National NatureServe Conservation Status
United States
Rounded National Status Rank: NNR - Unranked
© NatureServe
Source:
NatureServe
Trusted
NatureServe Conservation Status
Rounded Global Status Rank: G5 - Secure
© NatureServe
Source:
NatureServe
Trusted
Wikipedia
Asclepias asperula
Asclepias asperula is a species of milkweed native to the Southwestern United States and northern Mexico. Its common names include Antelope horns, green-flowered milkweed, and spider antelope horns.
Description
It is a perennial plant growing to 0.6–2 m (1–2 feet) tall, with clustered greenish-yellow flowers with maroon highlights. It blooms from April through June, and favors moist, sandy or rocky soil.
Monarch butterflies
Like several other species of milkweed, A. asperula is a food for monarch butterfly caterpillars. Along with being a source of nutrition for monarchs, the plants also contain alkaloids that the monarchs retain, making them unpalatable and poisonous to predators. For the same reason, A. asperula can be poisonous to livestock and other animals, including humans.
Source:
Wikipedia
Unreviewed
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