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You are here >1Up Info > Wildlife, Animals, and Plants > Plant Species > Shrub > Species: Cercidium microphyllum | Yellow Paloverde

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SPECIES: Cercidium microphyllum | Yellow Paloverde
GENERAL DISTRIBUTION : Yellow paloverde is distributed through central and southwestern Arizona [16,31,43,88]. A few populations occur in southeastern California near the Colorado River in the Whipple Mountains [3,10,26]. The range of yellow paloverde extends southward through Sonora and Baja California, Mexico [37,38,65,78,80,100]. ECOSYSTEMS : FRES30 Desert shrub FRES40 Desert grasslands STATES : AZ CA MEXICO ADMINISTRATIVE UNITS : DEVA LAME ORPI SAGU BLM PHYSIOGRAPHIC REGIONS : 7 Lower Basin and Range KUCHLER PLANT ASSOCIATIONS : K041 Creosotebush K042 Creosotebush - bursage K043 Paloverde - cactus shrub SAF COVER TYPES : 242 Mesquite SRM (RANGELAND) COVER TYPES : NO-ENTRY HABITAT TYPES AND PLANT COMMUNITIES : Yellow paloverde is an indicator species of the Sonoran Desert floristic region [50]. It is a dominant species in the Arizona upland subdivision of the Sonoran Desert [9,41,43,93]. Codominant species include creosotebush (Larrea tridentata), triangle bursage (Ambrosia deltoidea), brittle brush (Encelia farinosa), ocotillo (Fouqueria splendens), and Berlandier wolfberry (Lycium belandieri) [9]. This assemblage is also called the paloverde, bursage (Ambrosia spp.) desert scrub community type. It grades into spinose suffrutescent desert scrub [54]. A major climax association found on bajadas and rocky slopes throughout the Sonoran Desert is the paloverde/saguaro (Carnegiea gigantea) association [5,9,42,89,102]. This association grades into adjacent semidesert grasslands and interior chaparral [53,54]. Yellow paloverde is the principal species in the paloverde series [51,61]. This is also called the paloverde-cacti-mixed scrub series and paloverde woodland and succulents association [93,103]. Yellow paloverde is a facultative riparian species. It may move into riparian areas from surrounding desert and upland positions [1,74,83]. Where precipitation is less than 3 inches (7.6 cm) per year, yellow paloverde is confined to washes and is an obligate riparian species [2]. Yellow paloverde is listed as a dominant or indicator species in the following publications: (1) A series vegetation classification for Region 3 [51] (2) A vegetation classification system applied to southern California [61] (3) Vegetation of the Santa Catalina Mountains, Arizona: a gradient analysis of the south slope [99]. Species associated with yellow paloverde but not previously mentioned in DISTRIBUTION AND OCCURRENCE include white burrobrush (Hymenoclea salsola), white ratany (Krameria grayi), organpipe cactus (Lemaireocereus schottii), MacDougal ocotillo (Fouqueria macdougalii), and heart leatherstem (Jatropha cordata) [25,78,97].

Related categories for Species: Cercidium microphyllum | Yellow Paloverde

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Information Courtesy: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory. Fire Effects Information System

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