Arizona Naturalists >>> Sonoran Desert Naturalist >>> Field Guide >>> Sonoran Desert Flora >>>p1 >>> Yellow Asteraceae (p2) >>> p3
Annuals, perennials and shrubs with flowers in heads that may have yellow ray and/or disc flowers. Usually insect pollinated and mostly not a source of hay fever.
Desert Dandelion |
Malacothrix glabrata |
Hairy Desert-Sunflower |
Geraea canescens |
Ephemral annual of late winter and spring. Looks a lot like a small dandelion. Sandy soils in Sonoran and adjacent deserts. Detailed Description |
Medium to tall annual with all-yellow rays and disc. Found in sandy soils in years following strong winter precipitation. Detailed Description |
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California Goldfields |
Lasthenia californica |
Annual Sunflower |
Helianthus annuus |
Miniature yellow sunflowers on low plants that often blanket large areas of open spaces in springtime. Detailed Description |
Common summer annual mostly in agricultural areas with irrigation, but also occasional along rivers and streams. Large radiate heads with yellow rays a dark center 'eyes.' Detailed Description |
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Alkali Goldenweed |
Isocoma acradenia |
Narrow-leaf Goldenbush |
Ericameria linearifolia |
This photo is part of the Wikimedia Project. The autumn 'goldenrod' of the Sonoran Desert. Found especially in areas with periodically damp, lightly saline soil. Near irrigation. Very attractive to butterflies and wasps. Detailed Description |
This shrubby aster with bright yellow rays is found along the northern tier of the Sonoran Desert and westward into the Mojave Desert. Flowers late summer and fall. Detailed Description |
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Tatelencho/ Gumhead |
Gymnosperma glutinosa |
Little Lemonhead |
Coreocarpus arizonicus |
This weakly shrubby plant has abundant sticky resin on linear leaves and phyllaries, thus the alternate common name, Gumhead. The flower heads are small with yellow disc florettes. Grows on rockly slopes along eastern portions of the Sonoran Desert blooming summer to fall. Detailed Description |
Uncommon, weakly shrubby. Found in foothills around Tucson, Arizona. Small, bright yellow flowers. Flowers summer and fall. Leaves are pinnately discected Detailed Description |
Sweet Bush |
Bebbia juncea |
Woolly Sunflower |
Eriophyllum confertiflorum |
Shrubs with green, nearly rushlike stems. Orange-yellow flower heads with disc florets only. Washes and roadsides. Very attractive to butterflies. Detailed Description |
Perennial herb less than ½ meter tall. Foliage densely clothed in woolly hairs. Rays short. Seed with obscure pappus. Occasional here and there in the Sonoran Desert. Detailed Description |
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Gila Rock Daisy |
Perityle gilensis |
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Found only in central Arizona on porous, volcanic cliff faces. Rays and disc yellow. Detailed Description |
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Prickly Lettuce |
Lactuca serriola |
Golden Dyssodia |
Thymophylla pentachaeta |
Abundant weed in gardens and roadsides. Pale yellow florets in small heads. Leaves with prickly margins. Detailed Description |
Diminutive perennial with bright yellow flowers. Oil glands on leaves and flower bracts give strong terpene odor. Yellow disc and ray flowers appearing in spring. Leaves are dissected into linear segments. Common at roadsides, on desert flats and in and near desert washes. Detailed Description |