Plant Image
Flowers


Yavapai County Native & Naturalized Plants

Stylocline gnaphalioides - mountain neststraw

Other Common Names: desert nest straw, everlasting nest straw
Plant Form: Forb or Subshrub

Family: Asteraceae


   
 
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Plant
California Polytechnic State University, Robert F. Hoover Herbarium; Usage Rights: CC0 1.0 (Public-domain)
Forb Plant Description

Origin: Native   Life Cycle: Annual   Similar Species: Stylocline citroleum, S. micropoides
General Desc: Low-growing erect or spreading annual. Clusters of small, rounded, greenish-white, cottony flower heads grow at the tip of the flower stalk. Small, oval, grayish-green leaves with woolly hairs are densely crowded on the upper stem.
Identification notes: Small annual; greenish-white cottony heads in small clusters at branch tips, stems forked, generally evenly leafy, less so at tips; leaves alternate, not stemmed; flower bracts leafy; broad, membranous wings; green or white flowers with cobwebby hairs.
Height: To nearly 8 inches


Habitat

Habitat Description: Found in sandy soils, on slopes, flats, disturbed areas, dry drainage areas or relatively mesic sites in deserts (sites having a moderate or well-balanced supply of moisture during the growing season).
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Disturbed Areas
Elevation: 500 - 4500 feet


Flower Characteristics

Color: Greenish-white     Shape: Daisy or dandelion-like in elongated clusters     Tubular: N     Flowering Period: Feb - May
Description: Flower stalk bears small, rounded flower heads consisting of tiny outer and inner flowers (florets). Outer florets are enclosed by shaggy, leaf-like bracts that have wide, glossy, wing-like projections and form a green sac totally enfolding the fruit.


Leaf and Stem Characteristics

Leaf Color: Grayish-green     Leaf Type: Simple     Leaf Shape: Round or oval     Leaf Margin: Smooth     Leaf Attachment: Alternate     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: Leaves are stemless, 1/4 to 1/2 inch long, 1/16 to 1/8 inch wide, with an oval, oblong or spoon shape, sometimes narrow and sometimes with a sharp protruding tip. Leaves are slightly reduced in length but wider and more densely crowded on the upper stem.


Fruit and Seed Characteristics

Fruit Color: Brown   
Fruit Type: Achene
Fruit Notes: Fruit has an egg-like shape, is flattened lengthwise and grows to about 1/16 inch long. At its tip, the fruit may have 1 to 6 hair-like tufts or bristles that are smooth to barbed. These tufts aid in wind dispersal of the fruit.
Seed Notes: 1 seed is produced by the fruit. When mature, the fruit does not split open to release the seed.



  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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