Asclepias subverticillata is a plant found in the southwestern United States and Mexico. Common names include horsetail milkweed, poison milkweed[1] and whorled milkweed.
| Asclepias subverticillata | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Apocynaceae |
| Genus: | Asclepias |
| Species: | A. subverticillata
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| Binomial name | |
| Asclepias subverticillata | |
Description
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Growing to 1.2 metres (4 feet) in height, short branches support leaves ranging from 2–12.5 centimeters (1–5 inches) in length. Blooming from May to September, the umbel is 2–3 cm (3⁄4–1+1⁄4 in) wide, with individual flowers up to 1.5 cm (1⁄2 in) across; each has five petals and five sepals. The fruit pod is smooth and 5–10 cm (2–4 in) long; the seeds inside have long hairs.[1]
Distribution and habitat
editIt is indigenous to New Mexico, Arizona, Colorado and Utah and parts of some nearby states,[2] in addition to Mexico.[1]
Toxicity
editThe species is unpalatable and very toxic to livestock.[1]
Uses
editAmong the Zuni people the buds are eaten by young boys.[3] The pods are also gathered when two-thirds ripe and the fibers are used for weaving clothing.[4] The coma is made into cords and used for fastening plumes to the prayer sticks.[5]
References
edit- ^ a b c d Spellenberg, Richard (2001) [1979]. National Audubon Society Field Guide to North American Wildflowers: Western Region (rev ed.). Knopf. pp. 348–349. ISBN 978-0-375-40233-3.
- ^ "Plants Profile for Asclepias subverticillata (horsetail milkweed)". plants.usda.gov. Retrieved 2019-10-26.
- ^ Stevenson, Matilda Coxe 1915 Ethnobotany of the Zuni Indians. SI-BAE Annual Report #30 p.65
- ^ Stevenson p.77
- ^ Stevenson p.85
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