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Plant - summer Prescott area
Jeff Schalau | Leaves Lynx Creek - above Lynx Lake
Sue Smith | Leaves Pioneer Park
Sue Smith | Acorn Seven mile Gulch - Tr 354
Sue Smith | Bark Prescott area
Jeff Schalau | |
Origin: Native
General Description: Spring-deciduous. Upright form with a short trunk and a spreading, irregular rounded crown of stout, twisted branches. Largest southwestern oak. New leaves emerge when old leaves drop in May.
Identification notes: Thick, leathery, stiff, narrowly ovate to oblong, strongly netted green leaves, may have shallowly lobed and sharp pointed leaf margins; bark is whitish on mature specimens (hence the name); shrub or a tree. Acorns on short stems.
Height: 60 feet Width: 30 feet
Habitat Description: Chaparral, oak and pinyon woodlands, particularly along canyons. Found on dry rocky slopes in Arizona.
Plant Communities: Interior Chaparral, Pinyon Juniper Woodland, Montane Conifer Forest
Elevation: 4000 - 7500 feet
Color: Yellow Shape: Inconspicuous in elongated clusters
Tubular: N Flowering Period: Apr - May
Description: Wind pollinated flowers with reduced petals. Males in long dense catkins, yellow. Females catkins of 2 to 6 flowers.
Leaf Color: Green to dull green Type: Simple Shape: Round or oval Margin: Toothed Attachment: Alternate Hairs: Bottom of leaves
Description: Oval to oblong, 1-1/2 to 3-1/2 inches long. Thick and stiff with slightly wavy margins. Toothed toward apex. Upper surface is a dull green with sunken veins. Lower surface has a lighter color with short, dense, fuzzy brown hairs and raised veins.
Color: Light brown Type: Acorn or acorn-like Description: Oblong acorn 1/2 to 1 inch long with lower third to half partly covered by hairy and scaled bowl-like cup. Ripens in 1 season in early fall.
Bark Color: Light gray Bark Texture (Mature): Rough Bark and Branch Description: Light gray, initially thin with lens-shaped fissures. Older bark becomes quite thick with scaly ridges, fissures and thick plates. Twigs are light brown and fuzzy. Trunk up to 3 feet in diameter.
Spines, thorns or prickles: Y |
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