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Alkali Goldenbush
Isocoma acradenia
About Alkali Goldenbush (Isocoma acradenia) 0 Nurseries Carry This Plant Isocoma acradenia is a North American species of flowering plant in the daisy family known by the common name alkali goldenbush. It is native to the Southwestern United States (California, Nevada, Utah, Arizona) and northwestern Mexico (Sonora, Baja California). It grows in arid, sandy areas, particularly mineral-rich areas such as alkali flats and gypsum soils. Isocoma acradenia is a bushy subshrub reaching maximum heights of slightly over a meter (40 inches). 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 centimetres (0. 39-2. 36 in) 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. VarietiesIsocoma acradenia var. acradenia - Salt scrub, often with creosote - Arizona, California, Nevada, SonoraIsocoma acradenia var. bracteosa (Greene) G. L. Nesom - salt flats - southern Central Valley in CaliforniaIsocoma acradenia var. eremophila (Greene) G. L. Nesom - sandy soils, dunes, etc. - Arizona, California, Nevada, Utah, Baja California, Sonora).
Plant Description
Plant Type
Plant Type

3.3 ft tall

Flower Color
Flower Color

Wildlife Supported

Butterflies & moths hosted ( 6 likely * ) SHOW ALL
Schinia erosa Image
Schinia erosaSchinia erosa
Sonia vovana Image
Sonia vovanaSonia vovana
Diastictis sperryorum Image
Diastictis sperryorumDiastictis sperryorum
Dejongia californicus Image
Dejongia californicusDejongia californicus

Landscaping Information
Common uses
Common uses
Bee Gardens

Natural Setting
Annual Precipitation: 2.5" - 27.6", Summer Precipitation: 0.13" - 2.31", Coldest Month: 36.7" - 59.8", Hottest Month: 55.5" - 89.6", Humidity: 0.74" - 40.83", Elevation: -200" - 8214"

Alternative Names
Common Names: Alkali Jimmyweed, Desert Isocoma

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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