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Yavapai County Native & Naturalized Plants

Tetraclea coulteri - Coulter's wrinklefruit

Plant Form: Forb

Family: Verbenaceae

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Leaves and fruit
Frankie Coburn @
Frankie Coburn @
Forb Plant Description

Origin: Native   Life Cycle: Perennial
General Desc: Several spreading stems which are covered with white hairs.
Identification notes: Stems several, ascending or spreading. Stems and leaves densely covered with fine, short hairs. Leaves egg-shaped, bright green on both sides. Flower petals about twice as long as the sepals or more. Only one species of Tetraclea in Arizona.
Height: 1 to 3 feet


Habitat Description: Rocky soils. Steep south-facing talus slopes and roadsides.
Plant Communities: Desert Scrub, Interior Chaparral, Pinyon Juniper Woodland, Disturbed Areas
Elevation: 2000 - 5200 feet

Flower Characteristics

Color: White to reddish-pink     Shape: Regular in round clusters     Tubular: Y     Flowering Period: Mar - Sep
Description: Creamy-white flowers are tinged with reddish-pink. Flower clusters are at the leaf axils and are nocturnal.

Leaf and Stem Characteristics

Leaf Color: Gray-green     Leaf Type: Simple     Leaf Shape: Round or oval     Leaf Margin: Toothed     Leaf Attachment: Opposite     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: The upper leaves are toothed, while the lower are smooth.

Fruit and Seed Characteristics

Fruit Color: Green   
Fruit Type: Nutlet
Fruit Notes: Wrinkly green fruit has 4 rounded lobes.
Seed Notes: Light brown seeds have a pitted surface.

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
Last Updated: Feb 16, 2020  
Content Questions/Comments: Email Jeff Schalau  
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