Scurfy Prairie Clover.
Dalea albiflora, Family ( Papilionaceae ), Scurfy Prairie Clover. Also called: White Prairie Clover or White Dalea.

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Scurfy Prairie Clover is a low-lying perennial shrub about 1 - 2 feet tall with several branched stems, with smooth, bright green pinnate leaves, and dense spikes of white, bilaterally symmetrical flowers. The flowers spike to about 2 1/2" (6.5 cm) long; flowers 1/4" (6 mm) long; petals 5, upper ones broader, all with slender stalks; calyx with glands just beneath 5 teeth; stamens 10. The leaves are pinnately compound, with 5-9 oblong leaflets, each 1/2-1 1/2" long, minutely dotted with glands on the lower side. The fruit is a pod, 1/8" long, with glands on the walls. Both the flowers and leaves are extremely oily and resinous, and they leave a perfume-like odor on any thing that touches them.

Scurfy Prairie Clover is found in the southwestern United States and Northwestern Mexico in the states of Arizona, New Mexico, Sonora, and Chihuahua.

In the western Sonoran Desert of southwest Arizona, Scruffy Prairie Clover can be found throughout flatland mesas. It is also found in Arizona's mountainous regions, for example in the Muggins Mountains Wilderness Area on south and southwest facing ridgelines and flats.

Quick Notes:

Height: Up To About 2 feet tall.

Flowers: The white flowers are solitary and terminal on long, almost leafless stems. The flowers have 5 petals and 10 stamens and are in terminal spikes. They attract butterflies and other insects.

Flowering Time: May - September.

Leaves: The leaves are pinnate and grayish green. The leaves and stems are covered in fuzzy white hairs.

Found: Native to southwestern United States; in the states of Arizona, New Mexico. and to Northwestern Mexico in Sonora, and Chihuahua.

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)

Soil pH requirements:
5.6 to 6.0 (acidic)
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)

Sun Exposure:
Full Sun

Elevation: Usually at 3,500 - 6,000 Feet.

Habitat: Found in plains, arroyos, roadsides, and among pi�on and juniper.

Miscellaneous: Flowering Photos Taken September 20, 2003. Near Prescott, Arizona.