Astragalus pycnostachyus

Imperiled  (NatureServe)[1]
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. pycnostachyus
Binomial name
Astragalus pycnostachyus

Astragalus pycnostachyus is a species of milkvetch known by the common name marsh milkvetch. It is endemic to the coastline of California, where it grows in wet saline habitat such as marshes.

Description

The marsh milkvetch is a perennial herb forming a thick erect clump of hollow, woolly stems 40 to 90 centimeters tall. The leaves are up to 15 centimeters long and are made up of many narrow oval-shaped leaflets. The inflorescence is a cluster of many whitish to greenish flowers each up to a centimeter in length.

The fruit is an inflated, papery legume pod with a small hooked beak at the tip.

Varieties

The species has two named varieties.

See also

References

  1. "NatureServe Explorer 2.0".
  2. Calflora Database: Astragalus pycnostachyus var. lanosissimus
  3. 1 2 Center for Plant Conservation: var. lanosissimus Archived August 23, 2009, at the Wayback Machine
  4. California Native Plant Society: Astragalus pycnostachyus var. lanosissimus
  5. Calflora Database: Astragalus pycnostachyus var. pycnostachyus


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