Psorothamnus polydenius

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Psorothamnus polydenius
Psorothamnus polydenius 6.jpg
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: Psorothamnus
Species:
P. polydenius
Binomial name
Psorothamnus polydenius

Psorothamnus polydenius is a species of flowering plant in the legume family known by the common names Nevada dalea [1] and Nevada indigobush. It is native to the deserts of the southwestern United States from the Mojave Desert in California to Utah.

Contents

Description

Psorothamnus polydenius is a shrub sometimes exceeding one meter in height. Its highly branching stems taper to twigs coated in soft, rough, or silky hairs and visible glands. The small leaves are each made up of a few pairs of oval or rounded leaflets each a few millimeters long.

The inflorescence is a dense raceme or spikelike cluster of several flowers. Each flower has a pinkish purple pealike corolla about half a centimeter long in a glandular calyx of sepals with pointed lobes. The fruit is a small legume pod containing one seed.

One variety of this species, Psorothamnus polydenius var. jonesii, is endemic to Utah.

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References

  1. USDA, NRCS (n.d.). "Psorothamnus polydenius". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 15 October 2015.

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