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Purple Wild Geranium, Geranium caespitosum.

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Purple Wild Geranium, Geranium caespitosum. Photo Taken At Blue Ridge Lake or Reservoir, Arizona
Located At 6,604 feet, In The Coconino National Forest On The Mogollon Rim Near Payson. July 29, 2009.
Purple Wild Geranium, Geranium caespitosum.
Yarnell Arizona September 30, 2006.
Purple Wild Geranium, Geranium caespitosum.
Yarnell Arizona September 30, 2006.

Purple Wild Geranium
Geranium caespitosum.
Purple Wild Geranium
Geranium caespitosum.

Purple Wild Geranium.
Geranium caespitosum, Geranium Family ( Geraniaceae ) , Purple Wild Geranium. Also called Fremont Geranium, Western Purple Cranesbill, Pineywoods Geranium, Wild Geranium, Geranium atropurpureum var. atropurpureum, Geranium caespitosum subsp. atropurpureum, Geranium marginale, Geranium toquimense, Geranium atropurpureum, Geranium fremontii.

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Geranium caespitosum is the less common cousin of the very common white Wild Geranium or Sticky Geranium, Geranium viscosissimum.

Geranium caespitosum (Purple Cluster Geranium or Pineywoods Geranium) is a perennial herb native to Arizona, Colorado, New Mexico, Nevada, Texas, Utah, Wyoming, and northern Mexico.

It has a purple (red) flower with 5 stamens and has palmately lobed leaves. The fruit is a schizocarp made up of 5 mericarps. The sepals of the flower are acuminate (tapering with a long point).

It prefers growing in the understory of coniferous forests and damp soils such as in canyons.

Purple Wild Geranium grows from about 4 to 36 inches tall. Its stems are stout, forked, and hairy. It reproduces by seed. It blooms from May to September.

Geranium caespitosum provides good forage in the Southwest, especially for sheep, and cattle. Deer graze both its flowers and leaves.

Purple Wild Geranium has encountered approximately eleven scientific name changes since the plant was first described and named in 1823 by Edwin James.


Quick Notes:

Height: About 4 inches to about 36 inches high.

Flowers: Lilac to magenta with five petals.

Flowering Time: In Yarnell, Arizona from about June to September.

Leaves: Palmately lobed, petioles of basal and its lower leaves are hairy, not sticky. The leaves give off an odor when crushed.

Fruit: A sharp-pointed, narrow capsule with an elongated tail, which coils spirally at maturity. The point is driven into the ground as it ripens.

Shape: Basal rosette. Stems are often red.

Found: Native to the southwestern United States, (AZ, CA, CO, NM, NV, TX, UT); as well as far south as northern Mexico. ( Sonora, and Baja California ).

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:
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
Partial Shade

Elevation: 4,500 - 11,500 Feet.

Habitat: On on foothills, in sub - alpine meadows, scrub - oak, and oak ponderosa pine forests. It also can be found in perennial fields. It prefers well-drained, clayey, loamy, or sandy soil.

Miscellaneous: Flowering Photos Taken At Yarnell, Arizona. September 30, 2006.

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