IUCN threat status:

Not evaluated

Comprehensive Description

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Description

This native perennial plant is up to 2' tall and unbranched. The stem is covered with fine white hairs. The opposite leaves are up to 3½" long and ½" across, and sparsely distributed along the stem. They are linear to narrowly lanceolate, sessile, and have smooth, but slightly ciliate margins. Their surface often has a fine pubescence. The lower leaves tend to turn yellow and drop off the stem when the plant becomes stressed out. There is a cluster of flowers at the apex of the plant on short hairy stalks. Each flower is about ½" across, and has 5 lobes that flare abruptly outward from a long narrow tubular corolla. These lobes are rather angular and become considerably more narrow toward the base of the corolla. The calyx has long slender sepals that are green and hairy. The flowers may be white, pink, or lavender, and have a mild pleasant fragrance. The base of the corolla often has lines of deeper color than the lobes. Prairie Phlox typically blooms during late spring or early summer for about 1–1½ months. This plant has a taproot, and occasionally tillers at the base, sending up multiple stems. The small seeds are distributed by the wind to some extent. Cultivation

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© John Hilty

Source: Illinois Wildflowers

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