Astragalus flavus

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Astragalus flavus
Status TNC G5.svg
Secure  (NatureServe) [1]
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Astragalus
Species:
A. flavus
Binomial name
Astragalus flavus
Torr. & A.Gray

Astragalus flavus (yellow milkvetch) is a perennial plant in the legume family (Fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States. [2] :97

Growth pattern

It is an erect or curving perennial from 2 to 12 inches (5.1 to 30.5 cm) tall. [2] :97 The plant is covered with star-shaped hairs. [2] :97

Patches of the plants in bloom may cover large areas of the ground in yellow from the flowers. [2] :97 [3]

Stems and leaves

1 to 6 inches (2.5 to 15.2 cm) leaves are compound pinnate, with linear to egg shaped 14 to 6 inches (0.64 to 15.24 cm) leaflets. [2] :97

Inflorescence and fruit

The inflorescence is born on a stalk with 6-30 flowers having a hairy calyx tube and yellow bell-shaped corolla 14 to 12 inch (0.64 to 1.27 cm) long. [2] :97 "Flavus" means "yellow", even though most of its flowers are white. [4] It blooms from May to June. [2] :97 [3]

Habitat and range

It grows in saline soil (halophyte) in salt desert shrub between about 3,800 to 5,400 feet (1,200 to 1,600 m) in elevation. [2] :97

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<i>Astragalus bisulcatus</i> Species of plant

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<i>Astragalus agrestis</i> Species of milkvetch

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<i>Gaillardia pinnatifida</i> Species of flowering plant

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<i>Shepherdia rotundifolia</i> Species of shrub

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<i>Asclepias involucrata</i> Species of plant

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<i>Lupinus pusillus</i> Species of legume

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<i>Sophora stenophylla</i> Species of legume

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Primula specuicola is perennial plant in the primrose family (Primulaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.

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Astragalus preussii is an annual or perennial plant in the legume family (Fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.

<i>Astragalus mollissimus</i> Species of legume

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<i>Astragalus desperatus</i> Species of flowering plant in the pea family

Astragalus desperatus is a perennial plant in the legume family (Fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.

References

  1. NatureServe (2024). "Astragalus flavus". Arlington, Virginia. Retrieved 18 April 2024.
  2. 1 2 3 4 5 6 7 8 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
  3. 1 2 "USDA Plants Database".
  4. "Southwest Colorado Wildflowers, Astragalus flavus and pattersonii". www.swcoloradowildflowers.com. Retrieved 2023-06-16.