Asclepias verticillata
| Asclepias verticillata | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Apocynaceae |
| Genus: | Asclepias |
| Species: | A. verticillata
|
| Binomial name | |
| Asclepias verticillata | |
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Asclepias verticillata, the whorled milkweed, eastern whorled milkweed, or horsetail milkweed, is a species of milkweed native to most of eastern North America and parts of western Canada and the United States.[1]
Description
This is a perennial
internodes. The inflorescence is an umbel of 7–20 greenish white flowers.[2][3] Flowers are fragrant and bloom between June and September. Its native habitats include glades, dry prairies, dry slopes, dry open woods, pastures, fields, and roadsides. The Latin specific epithet verticillata is in reference to the leaves appearing in whorls.[4]
Ecology
This species can
honeybees, and lepidopterans such as moths and the cabbage white.[5] Like other milkweed species, this plant is a host plant for the monarch butterfly
whose caterpillars feed on the leaves.
The plant is toxic to livestock.[3]
Uses
It was used as a
Navajo used it for nose and throat problems.[6]
References
- ^ "Asclepias verticillata". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 12 January 2018.
- ^ Hilty, John (2020). "Whorled Milkweed (Asclepias verticillata)". Illinois Wildflowers.
- ^ a b "Asclepias verticillata". Native Plant Database. Lady Bird Johnson Wildflower Center, University of Texas at Austin.
- ^ "Asclepias verticillata - Plant Finder". www.missouribotanicalgarden.org. Retrieved 2022-01-12.
- ^ Willson, M. F., et al. (1979). Nectar production and flower visitors of Asclepias verticillata. American Midland Naturalist 102(1) 23–35.
- ^ Asclepias verticillata. Native American Ethnobotany. University of Michigan, Dearborn.
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