Arizona Naturalists >>> Sonoran Desert Naturalist >>> Field Guide >>> Sonoran Desert Flora >>>p1 >>> Yellow Asteraceae (p2) >>> p3

Sonoran Desert Asters - Flowers Yellow

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

Photo © by Michael Plagens

Ephemral annual of late winter and spring. Looks a lot like a small dandelion. Sandy soils in Sonoran and adjacent deserts. Detailed Description

Photo © by Michael Plagens

Medium to tall annual with all-yellow rays and disc. Found in sandy soils in years following strong winter precipitation. Detailed Description

California Goldfields

Lasthenia californica

Annual Sunflower

Helianthus annuus

Photo © by Michael Plagens

Miniature yellow sunflowers on low plants that often blanket large areas of open spaces in springtime. Detailed Description

Photo © Michael Plagens

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

Alkali Goldenweed

Isocoma acradenia

Narrow-leaf Goldenbush

Ericameria linearifolia

Photo © by Michael Plagens

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

Pen & Ink © Michael Plagens

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

Tatelencho/ Gumhead

Gymnosperma glutinosa

Little Lemonhead

Coreocarpus arizonicus

Pen & Ink © Michael Plagens

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

Pen & Ink by Michael Plagens

Uncommon, weakly shrubby. Found in foothills around Tucson, Arizona. Small, bright yellow flowers. Flowers summer and fall. Leaves are pinnately discected Detailed Description

Sponsored Links

Sweet Bush

Bebbia juncea

Woolly Sunflower

Eriophyllum confertiflorum

Photo © by Stan Shebs

This photo is part of the Wikimedia Project. Shrubs with green, nearly rushlike stems. Orange-yellow flower heads with rays only. Washes and roadsides. Very attractive to butterflies. Detailed Description

Pen & Ink Illustration © Mike Plagens

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

Prickly Lettuce

Lactuca serriola

Golden Dyssodia

Thymophylla pentachaeta

Photo © by Michael Plagens

Abundant weed in gardens and roadsides. Pale yellow florets in small heads. Leaves with prickly margins. Detailed Description

Photo © by Michael Plagens

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

Sponsored Links

Page 1 Page 2 Page 3


Sonoran Desert Places


  Google

Copyright Michael J. Plagens, 1999-2009