Astragalus zionis
Zion Milkvetch bloom, Zion Canyon
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Astragalus
Species:
A. zionis
Binomial name
Astragalus zionis

Astragalus zionis is a species of legume known by the common name Zion milkvetch. It is one of the earliest flowers to bloom in Zion canyon.[1]

Its range extends from Zion National Park across southern Utah through Glen Canyon to San Juan County, Utah; at altitudes of 970 to 2200 meters.[2]

Flowers are purple and the foliage is silvery. Pods are rather hairy, somewhat inflated, divided into up to 19 ovate, usually mottled and become nearly one inch long.[1][3]

The whole plant's height is up to 18 inches. Its bloom season is April to June.[3]

Zion Milkvetch bloom, leaves and seed pod, Zion Canyon, April 2016 Astragalus zionis

References

  1. 1 2 Nelson, Ruth Ashton (1976). Plants of Zion National Park. Springdale, Utah, USA: Zion Natural History Association. pp. 152. ISBN 0-915630-01-X.
  2. Albee, Beverly J.; Leila M. Sjultz; Sherel Goodrich (1988). Atlas of the Vascular Plants of Utah. Salt Lake City, Utah, USA: The Utah Museum of Natural History. p. 293. ISBN 0-940378-09-4.
  3. 1 2 Southwest, The American. "Western USA wildflowers: Zion Milkvetch, Astragalus Zionis". www.americansouthwest.net. Retrieved 2023-06-16.


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