Payson's Jewel Flower [Caulanthus simulans Pays.]

Payson's Jewel Flower [Caulanthus simulans Pays.]

Listing CNPS List 4 R-E-D Code 1-2-3

State/Federal. Status -- /C2 BRASSICACEAE Mar.-Jun.

Global Rank G2 State Rank S2

Distribution: San Diego County, Riverside County

Habitat: Sheephead rocky fine sandy loam is mapped for the site east of Banner; a Juniper Woodland with isolated Pinyon Pines occurs at this locale.

Known Sites: This annual is locally common in Juniper Woodland on the desert east of Banner Queen Ranch following good rains, and is localized in Culp Valley. Herbarium specimens from the San Diego Natural History Museum note sites at Bankhead Springs, San Felipe Creek, Harper's Ranch, west of Jacumba, Warner's Hot Springs, top of Grapevine Canyon, southeast flanks of Oriflamme Mountains, Montezuma Viewpoint, and in Thing Valley. Data Base reports are for montane locales at Cuyamaca State Park near the South Boundary Fire Road just west of the junction with Highway 79, Cuyamaca State Park south of Fern Flat, Cuyamaca State Park on Little Stonewall Peak; and for desert sites at McCain Valley, sand flats 4.3 miles east of Banner along Highway 78 in Earthquake Valley, southeastern flanks of Oriflamme Mountains along the Butterfield Stage Route south of Scissors Crossing, the eastern base of Granite Mountain, San Felipe Wash 2 miles east of Banner, and Yaqui Well. Old reports are from between Jacumba and Campo. Data Base reports for Riverside County are from 9.5 miles southeast of Anza in White Wash (a tributary of Coyote Canyon), along the road to the landfill in Pinyon Flat in the Santa Rosa Mountains, Toro Peak, along Bonita Vista Road and west of Cedar Crest and Bonita Vista Ranch turn-off in the San Jacinto Mountains.

Status: Populations in the desert foothills of San Diego County and Riverside County are presumed stable. Substantial portions of sizeable populations are recommended for protection.

Copyright May 1994 Craig H. Reiser.

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