Plant Image
Flower head


Yavapai County Native & Naturalized Plants

Erigeron colomexicanus - running fleabane

Synonyms: Erigeron cinereus, E. commixtus, E. dicladus, E. divergens var. cinereus, E. tephrodes, E. tracyi, E. williamsii
Other Common Names: running daisy, Tracy's daisy, sprawling daisy
Plant Form: Forb or Subshrub

Family: Asteraceae


   
 
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Leaves
Patrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Plant
Patrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Forb Plant Description

Origin: Native   Life Cycle: Biennial   Similar Species: E. flagellaris
General Desc: Stems erect at first. Later in the season, trailing stems (stolons) are produced that grow flat on the ground and may root to form new plants. Most leaves grow at the plant base. White daisy-like flowers, yellow center, may be tinged purplish underneath.
Identification notes: Stems hairy; leaves narrow, pointed at base, often spatula-like, margins smooth to toothed, rarely lobed; bracts below flowers in 2 to 5 series, similar in size; flower heads 1 to 3 per stem, 1 common, rays white, discs yellow; bristles on top of seeds.
Height: To about 7 inches


Habitat

Habitat Description: Found on dry slopes, hillsides, pastures and open woodlands as well as on roadsides and fence rows (uncultivated land on each side of and below a fence).
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest, Disturbed Areas
Elevation: 2200 - 8000 feet


Flower Characteristics

Color: White, yellow center     Shape: Daisy or dandelion-like not in clusters     Tubular: N     Flowering Period: Apr - Jul
Description: Stems are usually topped by 1 (at times, 2 to 3) daisy-like flower head(s) about 3/4 inch wide consisting of: 60 to 130 strap-shaped 1/2 inch white florets (rays) which surround the over 200 tiny (1/16 inch) yellow florets (discs) in the center.


Leaf and Stem Characteristics

Leaf Color: Grayish-green     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Smooth     Leaf Attachment: Basal and alternate     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: Leaves, stems have a dense covering of spreading white hairs giving a grayish-green appearance. Leaves basal and on stems, grow to 2-3/4 inches long, about 1/2 inch wide with margins that may be smooth, toothed or lobed (rarely). Basal leaves stemmed.


Fruit and Seed Characteristics

Fruit Color: Light brown   
Fruit Type: Achene
Fruit Notes: Tiny fruit is less than 1/16 inch, dry, oblong, flattened, with 2 ribs on its surface and sparsely covered with short, stiff, flat hairs. On top of the fruit is a double cluster of hairlike bristles. Fruit does not open at maturity to release the seed.
Seed Notes: 1 seed is produced by the fruit. There are bristles on top of the seed which promote wind dispersal.



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