Corallorhiza wisteriana


J. Acad. Nat. Sci. Philadelphia 6: 145. 1829.

Common names: Wister’s coral-root
Synonyms: Corallorhiza hortensis Suksdorf
Treatment appears in FNA Volume 26. Treatment on page 636. Mentioned on page 633, 634.

Stems red-purple to yellowish brown to yellow, base not strongly thickened nor bulbous. Inflorescences: racemes lax to dense, 10–55 × 1.3–3.5 cm. Flowers 2–25, inconspicuous; perianth open; sepals and petals purplish brown, often greenish distally, or pure yellow, 3-veined; sepals lanceolate, 4.5–10 mm; lateral sepals upcurved, connivent with dorsal sepal and petals, forming hood over column, somewhat falcate; petals often spotted with purple, broadly lanceolate, 4–7.2 mm; lip white, often spotted with purple, ovate to suborbiculate, unlobed, 4–7.5 × 2.5–7.5 mm, with 2 distinct basal lamellae, margins erose-denticulate to nearly entire; column curved toward lip, yellow to white, often with purplish apex, 2.4–5 mm, with basal auricles; ovary 3–8 mm; mentum present. Capsules ellipsoid-obovoid, 7–14 × 3.5–6.2 mm.

Phenology: Flowering Jan–Jul, according to latitude.
Habitat: Deciduous and coniferous woods, often preferring richer habitats than other coral-roots
Elevation: 0–3100 m


V26 1305-distribution-map.jpg

Ala., Ariz., Ark., Colo., Del., D.C., Fla., Ga., Idaho, Ill., Ind., Kans., Ky., La., Md., Miss., Mo., Mont., Nebr., N.J., N.Mex., N.C., Ohio, Okla., Pa., S.C., S.Dak., Tenn., Tex., Utah, Va., Wash., W.Va., Wyo., Mexico.


Western collections of Corallorhiza wisteriana have frequently been misidentified as C. maculata. Antho-cyanin-free forms from the central states have been misidentified as C. trifida.

Selected References


Lower Taxa

... more about "Corallorhiza wisteriana"
Lawrence K. Magrath +  and John V. Freudenstein +
Conrad +
Wister’s coral-root +
Ala. +, Ariz. +, Ark. +, Colo. +, Del. +, D.C. +, Fla. +, Ga. +, Idaho +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Md. +, Miss. +, Mo. +, Mont. +, Nebr. +, N.J. +, N.Mex. +, N.C. +, Ohio +, Okla. +, Pa. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Utah +, Va. +, Wash. +, W.Va. +, Wyo. +  and Mexico. +
0–3100 m +
Deciduous and coniferous woods, often preferring richer habitats than other coral-roots +
Flowering Jan–Jul, according to latitude. +
J. Acad. Nat. Sci. Philadelphia +
Illustrated +
Corallorhiza hortensis +
Corallorhiza wisteriana +
Corallorhiza +
species +