Little Thumb Butte
Sue Smith
Yavapai County Native & Naturalized Plants
   
 
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Plant Image
Plant - summer
Forest Trails
Doug McMillan
Plant Image
Leaves
Forest Trails
Doug McMillan
Plant Image
Opposite leaves
Granite Mtn - Tr 308
Sue Smith
Plant Image
Flowers
Little Thumb Butte
Charlie Johnson
Plant Image
Fruit
Granite Mtn - Tr 308
Sue Smith
Plant Image
Branch
Grapevine Canyon
Sue Smith
Plant Description

Origin: Native  Similar Species: Ceanothus fendleri
General Description: Evergreen. Small round shrub with numerous short, stiff side branches. Branches are stiff but not spiny. Fine textured with gray leaves. White flowers.
Identification notes: Stems erect, gray to reddish-gray with white hairs, not armed; numerous opposite short twigs; leaves opposite, simple, evergreen, oval to obovate, margins entire or often toothed; flowers small, white to light green in small loose clusters in leaf axils.
Height: 1 to 6 feet      Width: 3 feet


Habitat

Habitat Description: Grows on dry, rocky slopes, foothills, canyons, gullies and in erosion channels.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland
Elevation: 3000 - 7000 feet


Flowers

Color: White to light green   Shape: Inconspicuous in round clusters    Tubular: N   Flowering Period: Mar - Apr
Description: Flower heads of small umbel-like clusters. Flowers white to light green, petals white and slightly longer than the sepals.


Leaves

Leaf Color: Grayish-green   Type: Simple   Shape: Round or oval   Margin: Smooth   Attachment: Opposite   Hairs: Bottom of leaves
Description: Thick and leathery, opposite, short stemmed, narrowly ovate to elliptic or obovate, up to 1 inch long and to 1/2 inch wide, margins smooth or toothed, dark green and concave above, paler and distinctly pinnate-veined beneath.


Fruit

Color: Reddish-green to brown   Type: Capsule   Description: Capsule rounded, slightly 3-lobed, 3/16 inch in diameter, may have horn-like or warty projections.


Bark/Branches

Bark Color: Gray   Bark Texture (Mature): Rough   Bark and Branch Description: Initially light gray and smooth, becoming darker and rough with age. Light gray, felt-covered bark on old branches.
Spines, thorns or prickles: N

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
http://cales.arizona.edu/yavapaiplants/SpeciesDetail.php  
Last Updated: Dec 13, 2022
Content Questions/Comments: Email Matt Halldorson  
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