Kingdom:
Phylum:
Angiosperms
Order:
Fabales
Family:
Species:
obscurus
ID:
170699

Status:
valid

Authors:
S.Watson

Source:
ildis

Year:
1871

Citation Micro:
Botany [Fortieth Parallel]: 69, 437 (1871)

WFO Identifier:
wfo-0000170028



Common Names

  • Obscure Milkvetch
  • Obscure Vetch
  • Obscure Locoweed


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Synonyms

  • Tragacantha obscura (S.Watson) Kuntze [valid]
  • Tium obscurum (S.Watson) Rydb. [valid]

Description

Astragalus obscurus (also called Obscure Milkvetch, among many other common names) is a perennial herbaceous plant native to the western United States. It grows in dry, rocky soils in open woodlands and grasslands. It has small, yellowish-green flowers and narrow, linear leaves.

Uses & Benefits

Astragalus obscurus has been used as an ornamental plant, as a source of natural dyes, and as a source of medicine.

Flower, Seeds and Seedlings

The flower of Astragalus obscurus is a small, yellow-green pea-like flower with five petals. The seed is a small, black, kidney-shaped seed. The seedlings are small, thin, and have a light green color.

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Cultivation and Propagation

Astragalus obscurus can be propagated by seed or cuttings. Seeds should be sown in the spring and cuttings should be taken in the summer. The plant prefers full sun and well-drained soil. It is drought tolerant and can tolerate some frost.

Where to Find Astragalus obscurus

Astragalus obscurus is native to the eastern United States and Canada. It is found in moist, open areas, such as meadows, swamps, and floodplains.

Astragalus obscurus FAQ

What is the scientific name of Astragalus obscurus?

Astragalus obscurus

What is the common name of Astragalus obscurus?

Obscure Milkvetch

What is the habitat of Astragalus obscurus?

Dry, rocky slopes and flats in the Great Basin Desert

Species in the Astragalus genus

Astragalus rumelicus, Astragalus nevadensis, Astragalus tymphresteus, Astragalus alpinus, Astragalus penduliflorus, Astragalus anni-novi, Astragalus austroargentinus, Astragalus beatleyae, Astragalus iselyi, Astragalus moranii, Astragalus neoburkartianus, Astragalus neuquenensis, Astragalus oxyphysopsis, Astragalus phoenix, Astragalus sanctorum, Astragalus schinetorum, Astragalus amnis-amissi, Astragalus ampullarius, Astragalus andersonii, Astragalus anemophilus, Astragalus anisus, Astragalus applegatii, Astragalus aquilonius, Astragalus arequipensis, Astragalus argentinus, Astragalus argophyllus, Astragalus aridus, Astragalus arizonicus, Astragalus arrectus, Astragalus arthurii, Astragalus asclepiadoides, Astragalus asplundii, Astragalus asymmetricus, Astragalus atratus, Astragalus austiniae, Astragalus beathii, Astragalus beckwithii, Astragalus bellus, Astragalus bernardinus, Astragalus berteri, Astragalus bicristatus, Astragalus bisulcatus, Astragalus bodinii, Astragalus bolanderi, Astragalus bourgovii, Astragalus brackenridgei, Astragalus brandegei, Astragalus brauntonii, Astragalus brazoensis, Astragalus breweri,

Species in the Fabaceae family