Astragalus lentiginosus var. iodanthus

Astragalus lentiginosus var. iodanthus, synonym Astragalus iodanthus, is a variety of Astragalus lentiginosus, a flowering plant in the legume family, Fabaceae.[1] It is known by the common names Humboldt River milkvetch[2] and violet milkvetch.[3] It is native to the western United States, where its range includes California, Idaho, Nevada, Oregon, and Utah.[3] It grows on hills and in valleys[4] in barren sandy and volcanic soils[5] in habitat such as sagebrush.[6]

Astragalus lentiginosus var. iodanthus

Apparently Secure  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Astragalus
Species:
Variety:
A. l. var. iodanthus
Trinomial name
Astragalus lentiginosus var. iodanthus
(S.Watson) J.A.Alexander[1]
Synonyms[1]
  • Astragalus adsurgens Torr., nom. illeg.
  • Astragalus iodanthus var. diaphanoides Barneby
  • Astragalus iodanthus var. typicus Barneby, not validly publ.
  • Astragalus iodanthus var. vipereus Barneby
  • Astragalus iodanthus S.Watson
  • Tragacantha iodantha (S.Watson) Kuntze
  • Xylophacos iodanthus (S.Watson) Rydb.

This perennial herb produces several prostrate stems up to 40 centimeters long. The compound leaves are made up of 9 to 21 rounded or teardrop-shaped leaflets each up to 1.8 centimeters long. The inflorescence is a raceme of flowers in shades of reddish purple or white to cream with a purple tip on the keel petal. There are up to 25 flowers in a raceme, and they are crowded when first blooming but spread out over time. The fruit is a legume pod up to 4 centimeters long, becoming dark, mottled, and papery to leathery with age.[7][8]

References

edit
  1. ^ a b c "Astragalus lentiginosus var. iodanthus (S.Watson) J.A.Alexander". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2023-04-06.
  2. ^ Astragalus iodanthus. USDA PLANTS.
  3. ^ a b Astragalus iodanthus. NatureServe. 2012.
  4. ^ A. iodanthus var. iodanthus. The Jepson eFlora 2013.
  5. ^ A. iodanthus var. diaphanoides. The Jepson eFlora 2013.
  6. ^ A. iodanthus var. iodanthus. Calflora 2013.
  7. ^ Astragalus iodanthus. The Jepson eFlora 2013.
  8. ^ "Astragalus iodanthus".