Astragalus hypoxylus
species of plant
Astragalus hypoxylus is a rare species of flowering plant in the legume family known by the common name Huachuca milkvetch, or Huachuca Mountain milkvetch. It is endemic to Arizona in the United States, where it is known only from the Patagonia and Huachuca Mountains. There are three populations.
Description
This small perennial herb forms a patch on the ground no more than about 10 cm (3.9 in) wide and 3 to 4 cm (1.2 to 1.6 in) tall. It grows from a fibrous taproot. The alternately arranged leaves are each made up of several pairs of gray-green leaflets which are a few millimeters long. The inflorescence is a flower cluster about 1 cm (0.39 in) wide containing tiny white flowers with purple tips. The flowers bloom in April and May and are pollinated by bees of the genera Anthophora, Bombus, and Osmia. The fruit is a yellow and purple legume pod about 1 cm (0.39 in). This Astragalus looks so different from other species that it was once classified in a monotypic genus all its own.
“Astragalus hypoxylus” enters the record as species of plant. Crown Archives preserves that source wording while asking what Astragalus, hypoxylus and species can confirm, complicate or overturn.
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Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Dec 25, 2025. The linked authority identifier is Q4811235. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Astragalus hypoxylus” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.