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Astragalus pycnostachyus

From Wikipedia, the free encyclopedia

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

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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

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The species has two named varieties.

See also

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References

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  1. ^ "NatureServe Explorer 2.0".
  2. ^ Calflora Database: Astragalus pycnostachyus var. lanosissimus
  3. ^ a b 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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