Astragalus desperatus
| Astragalus desperatus | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Astragalus |
| Species: | A. desperatus
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| Binomial name | |
| Astragalus desperatus | |
| Varieties[2] | |
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| Synonyms[2] | |
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List
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Astragalus desperatus (common name - rimrock milkvetch)[1] is a perennial plant in the legume family (Fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.[3]: 120
Description[edit]
Growth pattern[edit]
It is a low growing perennial plant growing from 1⁄2 to 4+1⁄2 inches (1.3 to 11.4 cm) tall.[3]: 120
Leaves and stems[edit]
Compound pinnate leaves are from 1⁄2 to 4+1⁄2 inches (1.3 to 11.4 cm) long, with 7–17 elliptical to inversely lanceolate leaflets.[3]: 120
Inflorescence and fruit[edit]
It blooms from March to August.[3]: 120 The inflorescence are from stalk to 5 inches (13 cm) tall, with multiple flowers on short stems from the stalk.[3]: 120 Each ink to purple flower has a calyx tube that is bell-shaped and up to 1⁄2 inch (1.3 cm) long, and petals to 1⁄4 inch (0.64 cm) long.[3]: 120 Seed pods are up to 3⁄4 inch (1.9 cm) long, elliptical or curved, and covered with stiff hairs.[3]: 120
Habitat and range[edit]
It grows only on the Colorado Plateau (endemic) in mixed desert shrub and pinyon-juniper forest communities.[3]: 120
References[edit]
- ^ a b NatureServe (2024). "Astragalus desperatus". Arlington, Virginia. Retrieved 16 April 2024.
- ^ a b "Astragalus desperatus M.E.Jones". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 16 April 2024.
- ^ a b c d e f g h Canyon Country Wildflowers, Damian Fagan, 2nd ed., 2012, Morris Bush Publishing, LLC. in cooperation with Canyonlands Natural History Association, ISBN 978-0-7627-7013-7