Appearance
"Isocoma acradenia" is a bushy subshrub reaching maximum heights of slightly over 1 m. It produces erect, branching stems which are a shiny pale yellowish white, aging to a yellow-gray.Along the tough, hard-surfaced stems are linear or oval-shaped glandular leaves 1–6 cm long, sometimes with stumpy teeth along the edges. They are gray-green and age to pale gray or tan.
The inflorescences along the top parts of the stem branches are clusters of four or five flower heads. Each head is a capsule encased in bumpy, glandular greenish phyllaries bearing many golden yellow disc florets at its mouth. Each disc floret is somewhat cylindrical and protruding.
The fruit is an achene a few millimeters long, with a yellowish pappus adding another few millimeters.
;Varieties
⤷ "Isocoma acradenia" var. "acradenia" - Salt scrub, often with creosote - Arizona, California, Nevada, Sonora
⤷ "Isocoma acradenia" var. "bracteosa" G. L. Nesom - salt flats - southern Central Valley in California
⤷ "Isocoma acradenia" var. "eremophila" G. L. Nesom - sandy soils, dunes, etc. - Arizona, California, Nevada, Utah, Baja California, Sonora).
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