Plant Image
Granite Mtn - Tr 308 - SS

Yavapai County Native & Naturalized Plants

Eriastrum diffusum - miniature woollystar

Other Common Names: miniature wool star, starflower
Plant Form: Forb

Family: Polemoniaceae

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Granite Mtn - Tr 308
Forb Plant Description

Origin: Native   Life Cycle: Annual
General Desc: Plants form sprawling mounds. The scientific name implies plants are woolly with star-like flowers.
Height: To 4-1/2 inches


Habitat Description: Sandy areas, deserts, mesas, roadsides and fields.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Disturbed Areas
Elevation: 1000 - 5500 feet

Flower Characteristics

Color: Blue to light purple to whitish     Shape: Regular in round clusters     Tubular: Y     Flowering Period: Mar - Jun
Description: Tubular, star-shaped flower, 1/2 inch wide with 5 fused petals spreading into pointed lobes around a yellow center. Flowers are terminal in loose clusters on bristle-tipped, woolly heads.

Leaf and Stem Characteristics

Leaf Color: Grayish-green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Smooth     Leaf Attachment: Alternate     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: Leaves are narrow and 1/2 to 1 inch long. Leaves may be smooth or woolly above with smooth or lobed margins. There is fluffy wool at the leaf attachment. Stems are white-haired and reddish-brown.

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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