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California loosestrife

Lythrum californicum T. & G.

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California loosestrife flowers
California loosestrife
California loosestrife
California loosestrife
California loosestrife
California loosestrife
California loosestrife
California loosestrife flowers

Morphology

Stem
Erect, 1 to several, slender, branched.
Leaves
Lower stem leaves opposite; upper stem leaves mostly alternate, reduced, sessile, linear-oblong to linear-lanceolate, 1/2 to 1 inch long, less than 1/3 inch wide, pale gray-green, waxy, firm to fleshy; margins entire.
Inflorescence
Numerous 1-2-flowered clusters, sessile in leaf axils.
Flower
Calyces 6-lobed, lobes alternating with 6 appendages; corollas purple; petals 6, about 1/4 inch long; stamens 6.
Fruit
Capsules, cylindric, ribbed; seeds many, tiny, egg-shaped.

Ecology

Habitat
Wet soils of ditches, draws, lake margins, and roadsides.
Distribution
Throughout Kansas.

Additional Notes

Comments

California loosestrife is similar to winged loosestrife (Lythrum alatum Pursh). Winged loosestrife is taller and has egg-shaped to oblong, dark green leaves that are thin and pliable. Purple loosestrife (Lythrum salicaria L.) is an introduced ornamental and weed that spreads aggressively in wetlands; it has been declared noxious in several states. California loosestrife differs from purple loosestrife in that it has solitary or paired flowers in the leaf axils rather than many flowers in terminal spikes that purple loosestrife exhibits. Also, California loosestrife has 6 stamens rather than 12.

Quick Facts
Plant Type
Wildflower
Family
Lythraceae - Loosestrife Family
Life Span
Perennial
Height
8-30 inches
Last Updated
2007-10-08
Color Groups
Blue, Purple, Lavender & Violet Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: June, July, August