Biology:Astragalus desperatus
| Astragalus desperatus | |
|---|---|
| |
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 M.E. Jones[1]
| |
Astragalus desperatus (common name - rimrock milkweed) is a perennial plant in the legume family (Fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.[2]:120
Description
Growth pattern
It is a low growing perennial plant growing from 1⁄2 to 4 1⁄2 inches (1.3 to 11.4 cm) tall.[2]:120
Leaves and stems
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.[2]:120
Inflorescence and fruit
It blooms from March to August.[2]:120 The inflorescence are from stalk to 5 inches (13 cm) tall, with multiple flowers on short stems from the stalk.[2]: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.[2]:120 Seed pods are up to 3⁄4 inch (1.9 cm) long, elliptical or curved, and covered with stiff hairs.[2]:120
Habitat and range
It grows only on the Colorado Plateau (endemic) in mixed desert shrub and pinyon-juniper forest communities.[2]:120
References
- ↑ "Astragalus desperatus M.E. Jones". Integrated Taxonomic Information System. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=78807.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 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
Wikidata ☰ Q15513232 entry
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