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 oblongelliptic, 14–27 × 4–7 mm, apex obtuse to acute; lateral sepals oblongelliptic, 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

Discussion

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

Selected References

None.

Lower Taxa

None.

"/3lengthofmiddlelobe" is not declared as a valid unit of measurement for this property.

... more about "Hexalectris grandiflora"
white +  and pale-yellow +
self-pollination +
Douglas H. Goldman +, Ronald A. Coleman +, Lawrence K. Magrath +  and Paul M. Catling +
(A. Richard & Galeotti) L. O. Williams +
free +  and distinct +
Corallorhiza grandiflora +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
flattened +, triangular +  and cylindric +
reduced +
25 cm250 mm <br />0.25 m <br /> (?) +
15 cm150 mm <br />0.15 m <br /> (?) +
12mm +  and 14mm +
Greenman’s hexalectris +, giant coral-root +  and Greenman’s cock’s-comb +
Tex. +  and Mexico +
1.4 cm14 mm <br />0.014 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
700–2500 m +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
maroon +, purple +, magenta +, brown +  and tan +
Moist canyons in pine-oak-juniper woodlands in leaf litter and humus +
lateral +  and terminal +
1.2 cm12 mm <br />0.012 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
falcate +  and oblongelliptic +
petiolate +, sessile +  and simple +
duplicate +, convolute +, whorled +, opposite +, distichous +  and alternate +
cauline +  and basal +
reduced +
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
3-lobed +, clawed +, ovate +  and obovate +
larger +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
differing in form and color +
2 (?) +  and 4 (?) +
1-many-flowered +  and cymose +
pendent +  and erect +
1.3 cm13 mm <br />0.013 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Flowering Jun–Aug. +
aboveground +
aboveground +
J. Arnold Arbor. +
articulate +  and branching +
aerial +  and subterranean +
minute +
magenta +  and crimson +
free +, distinct +, adnate +  and connate +
foliaceous +
not +  and alike +
branched +, or +  and simple +
red-purple +, pink-red +  and pink +
proliferous +
thickened +  and stout +
10 cm100 mm <br />0.1 m <br /> (60 cm600 mm <br />0.6 m <br />) +
subterminal +
concave +  and convex +
Hexalectris mexicana +  and Neottia grandiflora +
Hexalectris grandiflora +
Hexalectris +
species +
rootless +  and leafless +
herb +, colonial +  and solitary +
aquatic +, lithophytic +, terrestrial +  and epiphytic +