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Photo Guide : Asclepias asperula (Antelope Horns) |
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- Low perennial herb from very stout rootstock, stems usually clustered from the rootstock, simple, rather stout
- 2-6 dm tall
- Leaves irregularly approximate; 10-20 cm long, 1-3cm wide
- Flowers: Inflorescences solitary and terminal, usually very crowded, flowers rather large, pale yellowish green sometimes tinged with purple, blooming from March to August
- Habitat: Flats and desert swales, sandy and rocky hillsides, with pinyon, juniper, oak, mesquite, Yucca, and Nolina
- Distribution: CO and w TX to UT, AZ, NV, and adjacent ID and CA; Tamaulipas westward to Sonora and southward to Hidalgo and San Luis Potosi
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![](../../grafx/milkweed/asper2t.jpg)
Plant
(31 K) |
![](../../grafx/milkweed/asper4t.jpg)
Flower
(16 K) |
![flower](../../grafx/milkweed/asper3t.jpg)
Flower
(17 K) |
![flower](../../grafx/milkweed/asper5t.jpg)
Flower
(12 K) |
Text taken from:
R.E. Woodson Jr., 1954. North American Species of Asclepias Annals of the Missouri Botanical Garden. |
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