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Fall coralroot

Also known as: small-flower coralroot, late coralroot

Corallorhiza odontorhiza (Willd.) Poir.

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Fall coralroot
Fall coralroot inflorescence
Fall coralroot
Fall coralroot
Fall coralroot

Morphology

Stem
Erect, greenish yellow to purplish brown, simple; bulbous-based; sheathing bracts 2-4.
Leaves
Absent
Inflorescence
Racemes, terminal, lax, 5-26-flowered, 1 to 16 inches; bracts oblong to lanceolate, .04 to .08 inch long, .02 to 03 inch wide, apex acute to obtuse. Pedicels .04 to .14 inch long.
Flower
Upside down; pink, purple, or reddish brown; perianth open or closed; sepals 3, broadly lanceolate; lateral sepals .12 to .18 inch; petals 3, distinct, broadly lanceolate, .1 to .16 inch, lower petal modified as lip; lip white, often purple-spotted, ovate to round, margins entire or finely erose; sepals and petals connivent and forming a hood over the column; stamens usually 1-2, fused to style and stigmas to form a column subtended by lip; column white basally, apex often purple; pistil 1; stigmas usually 3-lobed, modified into a beak near tip of column; cleistogamous flowers sometimes present.
Fruit
Capsules, pendent, ellipsoid, .25 to .3 inch; seeds numerous.

Ecology

Habitat
Oak-hickory woodlands
Distribution
East 1/5 of Kansas

Additional Notes

Comments

Plants without chlorophyll or appearing so, glabrous; from coral-like rhizomes. The flowers and foliage are inconspicuous, and this species frequently is collected after the flowers are past their prime and the fruits have begun to enlarge. Corallorhiza coral and root, alluding to the coral-like rhizomes and odontorhiza tooth and root. Kansas plants are var. odontorhiza.

Quick Facts
Plant Type
Wildflower
Family
Orchidaceae - Orchid Family
Life Span
Perennial
Height
2.5-16 inches
Origin
Native
Last Updated
2016-12-01
Color Groups
Pink, Red & Orange Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: August, September, October