Hexalectris grandiflora

(A. Richard & Galeotti) L. O. Williams

J. Arnold Arbor. 25: 81. 1944.

Common names: Greenman’s hexalectris giant coral-root Greenman’s cock’s-comb
Basionym: Corallorhiza grandiflora A. Richard & Galeotti Ann. Sci. Nat. Bot., sér. 3, 3: 19. 1845
Synonyms: Hexalectris mexicana Greenman Neottia grandiflora (A. Richard & Galeotti) Kuntze
Treatment appears in FNA Volume 26. Treatment on page 606. Mentioned on page 604.

Stems pink, pink-red, or red-purple, 10–60 cm; sheathing bracts 3–5. Inflorescences: floral bracts ovate to lanceolate, 5–12 × 3–5 mm. Flowers 5–20, pedicellate, chasmogamous; sepals and petals slightly recurved, pink, magenta to crimson; dorsal sepals linear-oblong to oblong-elliptic, 14–27 × 4–7 mm, apex obtuse to acute; lateral sepals oblong-elliptic, slightly falcate, 12–23 × 4–7 mm, apex obtuse to subacute; petals oblanceolate to elliptic, falcate, 13–23 × 5–7 mm; lip ovate to obovate, clawed, deeply 3-lobed, 10–16 × 5–12 mm, fissure between lobes more than 3 mm deep, middle lobe cuneate, suborbiculate, to flabellate, rounded, apex obtuse to apiculate, lateral lobes ovate to semiorbiculate,2/3 length of middle lobe, apex obtuse to subtruncate; lamellae 5, white; column pink with white apex, 12–14 mm; anther white to pale yellow. Capsules 25 × 15 mm.

Phenology: Flowering Jun–Aug.
Habitat: Moist canyons in pine-oak-juniper woodlands in leaf litter and humus
Elevation: 700–2500 m


Hexalectris grandiflora grows in the Davis and Chisos mountains in Texas.

Selected References


Lower Taxa

... more about "Hexalectris grandiflora"
Douglas H. Goldman +, Ronald A. Coleman +, Lawrence K. Magrath +  and Paul M. Catling +
(A. Richard & Galeotti) L. O. Williams +
Corallorhiza grandiflora +
Greenman’s hexalectris +, giant coral-root +  and Greenman’s cock’s-comb +
Tex. +  and Mexico. +
700–2500 m +
Moist canyons in pine-oak-juniper woodlands in leaf litter and humus +
Flowering Jun–Aug. +
J. Arnold Arbor. +
Hexalectris mexicana +  and Neottia grandiflora +
Hexalectris grandiflora +
Hexalectris +
species +