Indian Gardens, Oak Creek Canyon
Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Yavapai County Native & Naturalized Plants
   
 
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Plant Image
Plant - summer
Crescent Moon Ranch, Sedona
Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Plant Image
Leaves and seed pods
Crescent Moon Ranch, Sedona
Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Plant Image
Flowers
Indian Gardens, Oak Creek Canyon
Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Plant Description

Origin: Introduced  Similar Species: Catalpa speciosa
General Description: Deciduous. Introduced fast-growing tree with broad, rounded or forked crown of spreading branches. Trunk generally not straight, up to 2 feet in diameter. Short, crooked branches form a broad, irregular crown. Its heart-shaped leaves have prominent veins.
Identification notes: Large stout-trunked tree with short crooked branches. Leaves heart-shaped, opposite, pointed at tips. Flowers bell-shaped, white with yellow and purplish-brown stripes and spots inside; in branched clusters to 9 inches long. Seed capsules to 14 inches.
Height: 25 to 40 feet     Width: 25 to 40 feet


Habitat

Habitat Description: Widely cultivated; escaped to roadsides, floodplains, canyons, and riparian habitats.
Plant Communities: Riparian, Disturbed Areas
Elevation: 3500 - 5400 feet


Flowers

Color: White   Shape: Bell-shaped in clusters    Tubular: Y   Flowering Period: Jun - Jul
Description: Has 2 very showy, yellow stripes and purplish-brown spots & stripes inside the flower. Has 5 rounded, unequal, fringed lobes to 1-1/2 inches long and wide, arranged in bell or tubular shape; branched upright clusters to 10 inches long; slightly fragrant.


Leaves

Leaf Color: Green   Type: Simple   Shape: Triangular   Margin: Smooth   Attachment: Opposite   Hairs: Bottom of leaves
Description: Dull green above, paler green and hairy beneath; ovate to heart-shaped, pointed at tip; 5 to 10 inches long and 4 to 7 inches wide. 3 leaves per node, whorled or opposite. Foliage releases an unpleasant odor when crushed.


Fruit

Color: Green to brown   Type: Capsule   Description: Flattened seeds with 2 papery, fringed wings encased in a distinctive 6 to 12 inches long cigar-like or bean-like, narrow, cylindrical, thin-walled, capsule 5/16 to 3/8 inch in diameter. Seeds mature in autumn, capsule may remain attached over winter.


Bark/Branches

Bark Color: Brownish-gray   Bark Texture (Mature): Scaly   Bark and Branch Description: Bark is separated into irregular shallow fissures with scales. Twigs are stout and change color from green to brownish-gray. No terminal buds. Lateral buds are small and covered with overlapping scales.
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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