Corallorhiza odontorhiza

(Willdenow) Poiret

in F. Cuvier, Dict. Sci. Nat. ed. 2, 10: 375. 1818.

Common names: Fall coral-root small-flowered coral-root corallorhize d’automne
Basionyms: Cymbidium odontorhizon Willdenow Sp. Pl. 4(1): 110. 1805
Synonyms: Corallorhiza micrantha Chapman Corallorhiza pringlei Greenman
Treatment appears in FNA Volume 26. Treatment on page 635. Mentioned on page 633, 636.

Stems yellow, greenish, or purplish brown, base strongly thickened, bulbous. Inflorescences: racemes lax, 11–46 × 1–2.5 cm. Flowers 5–26, inconspicuous; perianth open or closed; sepals and petals reddish purple to brown, often suffused with green, broadly lanceolate, 1–2-veined; lateral sepals strongly curved upward and directed forward, 3–4.5 mm; petals 2.5–3.8 mm, connivent with dorsal sepal to form hood over column, or sepals and petals connivent to produce closed flower; lip white, often spotted with purple, ovate to orbiculate-quadrangular, unlobed, 2.7–4.6 ×1.8–3.7 mm, thin, with 2 distinct basal lamellae, margins entire to erose-fringed; column white basally, often purple apically, 1.9–2.5 mm, straight or curved toward lip, with 2 distinct auricles in open-flowered plants; ovary 2.5–5 mm; mentum inconspicuous. Capsules broadly ellipsoid, 5.5–8 × 3.5–5 mm.

Distribution

V26 1302-distribution-map.jpg

North America, Mexico, Central America

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Perianth tending to be closed, column without or with only poorly developed auricles at base on adaxial surface; stigmatic surface 0.3–0.5 mm wide; lip 1.7–2.2(–3) mm wide. Corallorhiza odontorhiza var. odontorhiza
1 Perianth open, column with 2 prominent auricles at base on adaxial surface; stigmatic surface 0.7–1 mm wide; lip 2–3.7 mm wide. Corallorhiza odontorhiza var. pringlei

No values specified.

... more about "Corallorhiza odontorhiza"
self-pollination +
Lawrence K. Magrath +  and John V. Freudenstein +
(Willdenow) Poiret +
Cymbidium odontorhizon +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
flattened +, triangular +  and cylindric +
tubular +
reduced +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
ellipsoid +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
curved +  and straight +
1.9mm +  and 2.5mm +
Fall coral-root +, small-flowered coral-root +  and corallorhize d’automne +
North America +, Mexico +  and Central America +
3-merous +, sessile +  and pedicellate +
not +  and resupinate +
inconspicuous +
ellipsoid;slightly obovoid +
lateral +  and terminal +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
petiolate +, sessile +  and simple +
duplicate +, convolute +, whorled +, opposite +, distichous +  and alternate +
cauline +  and basal +
reduced +
spotted with purple +  and white +
0.27 cm2.7 mm <br />0.0027 m <br /> (0.46 cm4.6 mm <br />0.0046 m <br />) +
unlobed +, ovate +  and orbiculate-quadrangular +
larger +
entire +  and erose-fringed +
differing in form and color +
inconspicuous +
ellipsoid-obovoid +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1-many-flowered +  and cymose +
pendent +  and erect +
0.25 cm2.5 mm <br />0.0025 m <br /> (?) +  and 0.38 cm3.8 mm <br />0.0038 m <br /> (?) +
open-flowered +
in F. Cuvier, Dict. Sci. Nat. ed. +
11cm +  and 46cm +
1cm;2.5cm +
coralloid +
aerial +  and subterranean +
triangular +
cylindric-fusiform +
minute +
suffused with green +, reddish purple +  and brown +
free +, distinct +, adnate +  and connate +
lanceolate +
foliaceous +
not +  and alike +
branched +, or +  and simple +
purplish brown +, greenish +  and yellow +
proliferous +
thickened +  and stout +
concave +  and convex +
Corallorhiza micrantha +  and Corallorhiza pringlei +
Corallorhiza odontorhiza +
Corallorhiza +
species +
leafless +  and rootless +
herb +, colonial +  and solitary +
aquatic +, lithophytic +, terrestrial +  and epiphytic +