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Jacob's ladder

Also known as: Greek valerian, Creeping polemonium

Polemonium reptans L. var. reptans

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Jacob's ladder
Jacob's ladder
Jacob's ladder leaves

Morphology

Stem
1-several, erect, ascending or spreading, at length reclining, slender, weak, branched, mostly glabrous.
Leaves
Alternate, long-stalked below, nearly sesile above, pinnately compound; leaflets 3-17, ovate to lanceolate, 2/5 to 2.8 inches long, 1/5 to 4/5 inch wide; margins entire; tips pointed.
Inflorescence
Cluster, few-flowered, loose, open, terminal.
Flower
Showy, 3/5 to 4/5 inch broad, stalked; calyx bell-shaped, 1/5 to 1/4 inch long, lengthening in fruit, 5-lobed, minutely hairy; lobes triangular; corolla bell-shaped, 2/5 to 3/5 inch long, 5-lobed, pale blue to violet with white center; stamens 5, about same height, shorter than or equaling corolla; filaments slender; style exceeding stamens; stigmas 3.
Fruit
Capsule, egg-shaped to oblong, about 1/5 inch long, several-seeded, separating into 3 segments; seeds 5-7 per segment.

Ecology

Habitat
Moist, rocky wooded hillsides, alluvial soil near streams.
Distribution
East 1/6 of Kansas.

Practical Information

Uses
Native Americans took a compound containing the root as a diuretic and laxative.

Additional Notes

Comments

Jacob's ladder varies from glabrous to sparsely pubescent. Ladder alludes to the ladder-like appearance of the pinnate leaves. Even though it is sometimes know by the common name creeping polemonium, it does not creep.

Quick Facts
Plant Type
Wildflower
Family
Polemoniaceae - Polemonium Family
Life Span
Perennial
Height
6-30 inches, usually less than 16 inches
Origin
Native
Last Updated
2010-02-06
Color Groups
Blue, Purple, Lavender & Violet Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: April, May