U.S. DEPARTMENT OF THE INTERIORBUREAU OF LAND MANAGEMENT
 
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Algodones Dunes Sunflower
(Helianthus niveus ssp. tephrodes )
Asteraceae

Algodones Dunes Sunflower; Photo Copyright 1996 Dean Wm. Taylor
Photo Copyright 1996 Dean Wm. Taylor

Description: Perennial and sometimes shrubby plant, 1.6-5 feet tall. Stems with white silky hairs. Leaves triangular to egg shaped (deltoid-ovate), 1 1/4 - 2 3/4 inches (3-7cm) long, 3/4 - 1 1/2 inches (2-4cm) wide, with white silky, long and soft hairs. Has several flower heads with a reddish disk (center of flower) 5/8 - 1 inch (1.5-2.5cm) diameter. Disk corollas slender with a minute amount of short, soft hairs at wide base of teh tube, and on the lobes.

Distribution: Known in California only from the Algodones (also called Imperial) sand dunes of Imperial County, CA.  It also occurs in southwestern Arizona and northern Mexico.

Habitat: Sandy desert area.

Flowering Period: Blooms March - May and October - January.

Similar Plants: No other plant actually growing on the sands of the Algodones Dunes has large yellow flower heads similar to Algodones Dunes sunflower.

Status: California State Endangered, California Native Plant Society List 1B

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Field Office: El Centro

 
Last updated: 08-05-2010