BLUE PHLOX
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Phlox divaricata  L.  subsp. laphamii  (Wood ) Wherry
Konza Prairie, Riley County, Kansas
Perennial
Height: 6-20 inches
Family: Polemoniaceae - Polemonium Family
Flowering Period:   April, May
Also Called: Blue wood phlox, sweet-william phlox.
Stems: Erect, ascending, or decumbent; sterile shoots sprawling at base of plant, fertile shoots erect or ascending.
Leaves: Opposite, simple; those of sterile shoots elliptic, blunt-tipped; those of fertile shoots lanceolate to narrowly oblong, 1 to 2 inches long, 1/2 to 1 inch wide, nearly glabrous or sparsely hairy; margins entire; tips usually tapering to points.
Inflorescences: Clusters of 9-30 flowers, terminal.
Flowers: On short, pubescent stalks; calyces 5-lobed, glandular-pubescent, lobes long tapering, awl-shaped; corollas bluish violet to pale purple, lighter in the throat, 5-lobed; lobes 1/2 to 3/4 inch long, blunt-tipped; stamens 5, unequal.
Fruits: Capsules, egg-shaped; seeds few.
Habitat: Moist, open woods and thickets.
Distribution: Principally east 1/3 of Kansas.
Comments: This colony-forming plant requires partial shade.

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