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Tharp's spiderwort

Also known as: short-stem spiderwort

Tradescantia tharpii Anders.

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Tharp's spiderwort
Tharp's spiderwort
Tharp's spiderwort
Tharp's spiderwort infloresence
Pilose hair on Tharp's spiderwort
Tharp's spiderwort
Tharp's spiderwort
Tharp's spiderwort
Tharp's spiderwort
Tharp's spiderwort petals and sepals
Tharp's spiderwort
Tharp's spiderwort
Tharp's spiderwort

Morphology

Stem
Erect, rarely branched, 1 to 4 inches tall when flowering, to 12 inches tall in fruit, soft hairy; nodes 1 or 2; internodes to 3.2 inches long.
Leaves
Alternate, simple, not waxy, linear-lanceolate, 6 to 12 inches long, to 1 inch wide, densely covered with long, soft hairs; margins entire, often rose-purple or translucent.
Inflorescence
Cymes, umbel-like, many-flowered, terminal; bracts grass-like, to 10 inches long, 1 inch wide, soft hairy.
Flower
Stalks 1.5 to 2.5 inches long, soft hairy, rose colored; sepals 3, broadly elliptic, 1/2 to 3/5 inch long, usually rose colored, soft-hairy, tips pointed; corollas about 1 inch wide, purplish blue or deep rose; petals 3, broadly ovate; stamens 6, filaments densely bearded.
Fruit
Capsules, rounded; seeds oblong, flattened, gray, about 1/10 inch long.

Ecology

Habitat
Prairies, hillsides, thickets, and open woods, most abundant on rocky or clay soils.
Distribution
Principally central of Kansas.

Additional Notes

Comments

Named after Benjamin Tharp, 1885-1964, a botanist at the University of Texas.

Special Notes: Three other spiderworts are observed in Kansas: prairie spiderwort , bracted spiderwort , and common spiderwort .
Quick Facts
Plant Type
Wildflower
Family
Commelinaceae - Spiderwort Family
Life Span
Perennial
Height
1-12 inches
Last Updated
2021-05-22
Color Groups
Blue, Purple, Lavender & Violet Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: March, April, May