Plant - summer
Little Thumb Butte
Sue Smith
Yavapai County Native & Naturalized Plants
   
 
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Plant - summer
Granite Mtn - Tr 308
Sue Smith
Plant Image
Leaves
Granite Mtn - Tr 308
Sue Smith
Plant Image
Flowers
Granite Mtn - Tr 308
Sue Smith
Plant Image
Acorns
Granite Mtn - Tr 308
Sue Smith
Plant Image
Bark
Granite Mtn - Tr 261
Marv Mazur
Plant Image
Wasp galls
County Rd 65A
Sue Smith
Plant Description

Origin: Native
General Description: Evergreen. Shrub or small tree; bark light gray, rough, fissured; young twigs densely woolly (rarely without hairs), smooth reddish-brown beneath hairs, older twigs with few hairs, gray. Drought-deciduous.
Identification notes: Shrub or small tree to 20 feet tall. Leaf blades elliptic or oblong, spiny on margins, shallowly lobed, dull green above, densely hairy on lower surface, strongly net-veined on upper surface but not below.
Height: to 15 feet     Width: 12 feet


Habitat

Habitat Description: Found on arid slopes, often among chaparral and juniper/pinyon woodlands.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland
Elevation: 2500 - 8000 feet


Flowers

Color: Yellow-green   Shape: Inconspicuous in elongated clusters     Tubular: N   Flowering Period: Mar - Jun
Description: Male and female flowers separate but on the same plant; males in drooping 1 inch long catkins, yellow-green; female flowers solitary, with 3 styles in leaf axils.


Leaves

Leaf Color: Dull green to grayish-green   Type: Simple   Shape: Round or oval   Margin: Toothed   Attachment: Alternate   Hairs: Bottom of leaves
Description: Typically dull green, finely haired beneath, elliptical to oblong, thick, stiff, spiny at margins.


Fruit

Color: Yellowish-brown   Type: Acorn or acorn-like   Description: Acorns solitary or several, small, elliptic, yellowish-brown; with a scaly, shallow cup enclosing 1/4 to 1/3 of the nut.


Bark/Branches

Bark Color: Gray, reddish-brown, black   Bark Texture (Mature): Rough   Bark and Branch Description: Gray, scaly and fissured. Twigs slender, reddish-brown with some fine fuzz when young. Sometimes blackened.
Spines, thorns or prickles: Y

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 7.0  
http://cals.arizona.edu/yavapaiplants/SpeciesDetail.php  
Last Updated: May 10, 2017  
Content Questions/Comments: Email Jeff Schalau  
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