Adonis Blazingstar. Mentzelia multiflora, Stickleaf Family ( Loasaceae ), Adonis Blazingstar: Also Called; Yerba Amarilla, Prairie Stickleaf, Manyflowered mentzelia, Many Flowered Mentzelia, Mentzelia longiloba, Adonis Stickleaf, Desert Blazingstar. We wish to thank Wikipedia, the free encyclopedia for some of the information on this page. We share images and information with Wikipedia. Mentzelia multiflora, is a dicot, herbaceous, perennial wildflower of the family Loasaceae; about 2 to 3 feet tall and about 16 inches wide. It is native to the Southwestern United States, California, and northwestern Mexico. It is a blazingstar and is a member of the Mentzelia genus, the stickleafs. It has shiny white stems and numerous branches. Its sticky, gray - green leaves are covered with hairs containing minute barbs. The flowers are around 2 inches in diameter, they are yellow in color and normally have ten petals. The flowers open in late afternoon and close in the morning. Mentzelia multiflora is found in the western United States and northern Mexico from Montana and North Dakota, south to Sonora and Chihuahua. This species prefers dry, sandy well-drained soil. They require direct sunlight and cannot grow in the shade. The plant is used as a Native American medicine to treat toothache. It is also a diuretic. The roots and leaves have been used to treat tuberculosis. Quick Notes: Height: Up To about 24 - 36 inches tall and about 16 - 20 inches wide. Flowers: Inflorescence with 1 to 3 flowers. The 1/3 inch to 4/5 inch, golden-yellow flower heads appear at the ends of branches. Flowering Time: March - October. Leaves: Gray - green, Up to 3 inches long and up to about 1 inch wide. They are sessile, narrowly elliptic to lanceolate, and occasionally oblanceolate; the margins are toothed to lobed. Found: Southwestern United States in the states of California, Arizona, New Mexico and Texas; also in regions northwestern Mexico. Hardiness: USDA Zone 3a: to -39.9 �C (-40 �F) USDA Zone 3b: to -37.2 �C (-35 �F) USDA Zone 4a: to -34.4 �C (-30 �F) USDA Zone 4b: to -31.6 �C (-25 �F) USDA Zone 5a: to -28.8 �C (-20 �F) USDA Zone 5b: to -26.1 �C (-15 �F) USDA Zone 6a: to -23.3 �C (-10 �F) USDA Zone 6b: to -20.5 �C (-5 �F) USDA Zone 7a: to -17.7 �C (0 �F) USDA Zone 7b: to -14.9 �C (5 �F) USDA Zone 8a: to -12.2 �C (10 �F) USDA Zone 8b: to -9.4 �C (15 �F) USDA Zone 9a: to -6.6 �C (20 �F) USDA Zone 9b: to -3.8 �C (25 �F) USDA Zone 10a: to -1.1 �C (30 �F) USDA Zone 10b: to 1.7 �C (35 �F) USDA Zone 11: above 4.5 �C (40 �F) Soil pH requirements: 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline) 7.9 to 8.5 (alkaline) 8.6 to 9.0 (strongly alkaline) Sun Exposure: Full Sun Sun to Partial Shade Light Shade Elevation: 100 to 7,500 Feet. Habitat: Creosote Bush Scrub, Pinyon - Juniper Woodlands.Sandy desert soils to 7,500'. Southeastern Arizona, Northern half of Arizona, southern New Mexico. Also in Southern Arizona and Northern Mexico. Miscellaneous: Flowering Photos Taken September 23, 2006. Holbrook, Arizona.

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