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San Felipe Dogweed Back to Plant Page
Adenophyllum porophylloides

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About San Felipe Dogweed (Adenophyllum porophylloides) Adenophyllum porophylloides is a species of flowering plant in the daisy family known by the common names San Felipe dogweed and San Felipe dyssodia. It is native to the Sonoran and Mojave Deserts of the southwestern United States (Arizona, California, Nevada) and northwestern Mexico (Sonora, Baja California, Baja California Sur). Adenophyllum porophylloides is an aromatic desert subshrub with several branching stems reaching a maximum height near 60 centimeters. The sparse, clawlike leaves are divided into sharply pointed linear lobes that bear prominent resin glands. The foliage has an unpleasant scent. The inflorescence is borne on a peduncle several centimeters long. The flower head is cylindrical and lined with phyllaries with large resin glands on them. The tip of the head blooms with bright yellow to reddish orange disc florets. There are sometimes short, stubby yellow to reddish ray florets along the rim. The fruit is an achene about 5 millimeters long with a bristly, scaly pappus.
Plant Description
Plant Type
Perennial herb

Max. Height
2 ft (0.6 m)

Flower Color
Yellow, Red, Orange

Native Status

Natural Setting
Elevation ?
224' - 6749'

Annual Precip. ?
3.3" - 20.7"

Summer Precip. ?
0.54" - 2.85"

Coldest Month ?
42.1° F - 63.2° F

Hottest Month ?
66.7° F - 88.8° F

Humidity ?
2.66 vpd - 42.79 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
San Felipe Dyssodia

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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