Biology:Astragalus obscurus
| Astragalus obscurus | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Astragalus |
| Species: | A. obscurus
|
| Binomial name | |
| Astragalus obscurus S.Wats.
| |
Astragalus obscurus is a species of milkvetch known by the common name arcane milkvetch. It is native to the northwestern United States in Idaho and Oregon and northern parts of Nevada and California . It is a plant of rocky areas in mountains and Great Basin plateaus. This is a small, mat-forming perennial herb with tufts of hairy stems approaching a maximum length of 15 centimeters. The leaves are up to 10 centimeters long and made up of thick oval-shaped leaflets. The inflorescence is a dense cluster of 5 to 15 off-white to faintly lilac-tinted flowers, each less than a centimeter long. The fruit is a narrow, leathery legume pod held upright in the infructescence. It may reach 2.5 centimeters in length and usually has two chambers inside.
External links
Wikidata ☰ Q4811272 entry
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