WESTERN WALLFLOWER
File Size: 67 KB
 
Erysimum asperum   (Nutt. ) DC.
Mitchell County, Kansas
Biennial or perennial
Height: 1-3 feet
Family: Brassicaceae - Mustard Family
Flowering Period:   May, June
Stems: Erect, solitary, simple or branched above, ridged, covered with appressed, branched hairs.
Leaves: Alternate, simple, sessile, numerous, linear or lanceolate, 1/2 to 4 inches long, less than 1/2 inch wide; margins toothed to entire; tips somewhat pointed; upper leaves reduced.
Inflorescences: Racemes, terminal, elongating at maturity.
Flowers: Showy, 4-parted; sepals erect, about 2/5 inch long; petals 1/2 to 1 inch long, nearly as broad, on stout stalks, yellow to yellowish orange; stamens 6, 2 short, 4 long.
Fruits: Pods, linear, 3 to 5 inches long, less than 1/10 inch wide, 4-angled, widely spreading, densely pubescent; seeds numerous, small, oblong, brown.
Habitat: Dry open prairies, pastures, and sand hills.
Distribution: West 3/4 of Kansas.

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