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Leavenworth eryngo

Eryngium leavenworthii T. & G.

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Leavenworth eryngo
Leavenworth eryngo inflorescences
Leavenworth eryngo
Leavenworth eryngo inflorescence
Leavenworth eryngo
Leavenworth eryngo
Leavenworth eryngo inflorescence
Leavenworth eryngo
Leavenworth eryngo
Leavenworth eryngo head
Leavenworth eryngo
Leavenworth eryngo inflorescence

Morphology

Stem
Erect, stout, branched above, glabrous, purplish.
Leaves
Alternate; lower stem leaves short stalked, broadly oblanceolate, 1 to 2.5 inches long, to .75 inch wide; upper stem leaves sessile, broadly ovate to circular, deeply palmately divided into narrow, spiny segments.
Inflorescence
Heads, ovoid-oblong, 1 to 1.5 inches long, 1 inch wide, purplish, terminal; bracts, spiny, pinnately cleft, subtending heads and projecting from tops of heads.
Flower
Tiny, whitish to purple; petals 5; stamens 5, bluish.
Fruit
Dry, oblong, covered with whitish scales.

Ecology

Habitat
Dry, rocky prairies, roadsides, open woodlands, and waste areas, most abundant on limestone or chalk soils.
Distribution
Principally southeast quarter of Kansas.

Additional Notes

Comments

At first glance, this plant resembles a thistle, but it is actually a member of the parsley family. Named for its discoverer, Melines Conklin Leavenworth (1796-1862), an explorer, army surgeon, and botanist.

Quick Facts
Plant Type
Wildflower
Family
Apiaceae - Parsley Family
Life Span
Annual
Height
1-3 feet
Last Updated
2007-09-03
Color Groups
Blue, Purple, Lavender & Violet Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: July, August, September