Plant Image
Willow Dells Tr - SS

Yavapai County Native & Naturalized Plants

Mirabilis longiflora - sweet four o'clock

Plant Form: Forb

Family: Nyctaginaceae

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Willow Dells Tr
Willow Dells Tr
Flower buds
Willow Dells Tr
Willow Dells Tr
Plant - summer
Willow Dells Tr
Forb Plant Description

Origin: Native   Life Cycle: Perennial
General Desc: Heavily branched dark green forb with tuberous roots. Flowers are fragrant and open in the shade of the late afternoon.
Height: 3-1/2 feet


Habitat Description: Rocky canyons and slopes.
Plant Communities: Interior Chaparral, Pinyon Juniper Woodland, Montane Conifer Forest
Elevation: 2600 - 7500 feet

Flower Characteristics

Color: White, pinkish     Shape: Regular in round clusters     Tubular: Y     Flowering Period: Jul - Sep
Description: 4–6 inches long, with a red throat, spreading into a white blossom 1/2–3/4 inch across at the opening, with 6 long, purple stamens and red anthers. Flower buds form loose clusters near the top of the plant but only one or two bloom at one time.

Leaf and Stem Characteristics

Leaf Color: Dark green     Leaf Type: Simple     Leaf Shape: Triangular     Leaf Margin: Smooth     Leaf Attachment: Opposite     Leaves Clasp: N
Hairs: Stems     Spines: N
Leaf Description: The lower leaves have stems 1-1/2 inches long; the upper leaves have no stem and taper to a sharp point. Leaves are 3 to 4 inches long. Branches and the flowers grow out of the leaf axils. The stem is heavy, brittle, and sticky.

Fruit and Seed Characteristics

No Fruit or seed notes

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 3.1  
Last Updated: June 15, 2013  
Content Questions/Comments: Email Jeff Schalau  
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