Plant Image
Flower heads

Yavapai County Native & Naturalized Plants

Adenophyllum porophylloides - San Felipe dogweed

Synonyms: Dyssodia porophylloides
Other Common Names: San Felipe foetid marigold, San Felipe dyssodia
Plant Form: Forb or Subshrub

Family: Asteraceae

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Forb Plant Description

Origin: Native   Life Cycle: Perennial
General Desc: A straggly, much-branching bush that gives off an unpleasant odor when crushed.
Identification notes: Thick, woody base, strong disagreeable odor, lower leaves opposite, upper alternate, stems hairless, leaves 3 to 5-parted into narrow lobes, phyllaries in 2 series, translucent oil glands, pappus of awns.
Height: To 2 feet


Habitat Description: Mesas, washes, and dry rocky slopes.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands
Elevation: 500 - 3000 feet

Flower Characteristics

Color: Yellowish-orange     Shape: Daisy or dandelion-like not in clusters     Tubular: N     Flowering Period: Mar - Oct
Description: The flower head is to 1/2 inch wide and 1 inch long. Flower heads consist of 8 to 12 ray flowers and many disk flowers. Bracts have dark red glands.

Leaf and Stem Characteristics

Leaf Color: Dark green     Leaf Type: Compound     Leaf Shape: Narrow     Leaf Margin: Toothed     Leaf Attachment: Alternate and opposite     Leaves Clasp: N
Hairs: No     Spines: N
Leaf Description: Leaves are opposite below and alternate above. They are deeply divided into 3 or 5 narrow lobes to 1 inch long and 7/8 inches wide.

Fruit and Seed Characteristics

Fruit Type: Achene
Fruit Notes: 3/16 inch long, ribbed and sparsely hairy. Attached are 8 to 12 scales, to 5/16 inches long, each dissected into 7 to 11 bristles.

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
Last Updated: Nov 21, 2021
Content Questions/Comments: Email Mary Barnes  
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