''Ericameria discoidea'', commonly known as whitestem goldenbush or sharp-scale goldenweed is a species of flowering shrub in the family

Asteraceae Asteraceae () is a large family (biology), family of flowering plants that consists of over 32,000 known species in over 1,900 genera within the Order (biology), order Asterales. The number of species in Asteraceae is rivaled only by the Orchi ...

. This plant is native to the western United States from

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Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...

, Nevada,

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, and

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.Biota of North America Program 2014 county distribution map
/ref> ''Ericameria discoidea'' grows in clumpy thickets on rocky slopes. It is a small shrub reaching a maximum height of 40 centimeters (16 inches). It has many erect branches covered in a foliage of oval-shaped leaves coated in dense white woolly fibers and tiny stalked resin glands. Atop each short branch is an

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

of many flower heads, each packed with sometimes as many as 70 disc florets that bloom in golden yellow and wilt to a rusty orange. There are no ray florets.

References

External links

Jepson Manual TreatmentUnited States Department of Agriculture Plants ProfileCalphotos Photo gallery, University of California
discoidea Flora of the Western United States Flora of California Flora of the Great Basin Flora of the Sierra Nevada (United States) Plants described in 1840 Taxa named by Thomas Nuttall Flora without expected TNC conservation status {{Astereae-stub