WAX GOLDENWEED
File Size: 86 KB
 
Grindelia papposa  G.L. Nesom & Y.B. Suh
[=Haplopappus ciliatus  (Nutt. ) DC.]
Russell County, Kansas
Annual
Height: 2-5 feet
Family: Asteraceae - Sunflower Family
Flowering Period:   August, September
Stems: Erect, stout, solitary, simple below, short-branched at top, very leafy, glabrous.
Leaves: Alternate, simple, sessile, clasping, firm, egg-shaped, 1 to 3 inches long, .5 to 1.5 inch wide, conspicuously veined; margins with sharp, bristle-tipped teeth; tips rounded or blunt; leaves generally on upper 2/3 of stem.
Inflorescences: Heads, few in open cymes or sometimes solitary, terminal, hemispheric, .75 to 1.5 inch wide; bracts overlapping in 4-5 series; tips narrow-pointed, turning outward.
Flowers: Ray florets approximately 25-45, about 1/2 inch long, yellow; disk florets yellow.
Fruits: Achenes, oval to oblong, somewhat flattened, glabrous, tipped with numerous, rigid, yellowish to reddish brown bristles, enclosing small seed.
Habitat: Dry, open, sandy or rocky hillsides and waste places.
Distribution: Nearly throughout Kansas.
Comments: Named for German botanist David Hieronymus Grindel, who lived from 1777-1836. Wax goldenweed is avoided by grazing livestock.

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