Aplectrum

(Nuttall) Torrey

Gen. N. Amer. Pl. 2: 197. 1818.

Common names: Putty-root Adam-and-Eve aplectrum d’hiver
Etymology: Greek a, without, and plectron, spur
Treatment appears in FNA Volume 26. Treatment on page 632. Mentioned on page 495, 497.

Herbs, perennial. Roots in fascicles at base of pseudobulb, slender, fibrous. Corms connected by slender rhizomes. Stems scapes, cormose. Leaves produced in late summer–fall, withering in spring, solitary, borne at distal end of corm, plicate. Inflorescences solitary, lax racemes from lateral nodes on corm; floral bracts inconspicuous; cauline bracts sheathing, large. Flowers several, resupinate; sepals to 15 mm; lip 3-lobed, with 3 parallel lamellae; column compressed; pollinarium 1; pollinea 4, attached to viscidium by short stipe; stigma deeply concave. Fruits capsules, pendent, straight, 7 mm.

Distribution

e North America, e Asia (Japan)

Discussion

Species 2 (1 in the flora).

Selected References

None.

Lower Taxa

... more about "Aplectrum"
self-pollination +
Charles J. Sheviak +  and Paul M. Catling +
(Nuttall) Torrey +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
flattened +, triangular +  and cylindric +
compressed +
Putty-root +, Adam-and-Eve +  and aplectrum d’hiver +
connected +
e North America +  and e Asia (Japan) +
Greek a, without, and plectron, spur +
3-merous +, sessile +  and pedicellate +
7 cm70 mm <br />0.07 m <br /> (?) +
lateral +  and terminal +
petiolate +, sessile +  and simple +
duplicate +, convolute +, whorled +, opposite +, distichous +  and alternate +
cauline +  and basal +
reduced +
3-lobed +
larger +
differing in form and color +
1-many-flowered +  and cymose +
pendent +  and erect +
Gen. N. Amer. Pl. +
aerial +  and subterranean +
slender +
minute +
free +, distinct +, adnate +  and connate +
0 cm0 mm <br />0 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
foliaceous +
not +  and alike +
branched +, or +  and simple +
pendent +  and erect +
proliferous +
thickened +  and stout +
Aplectrum +
Orchidaceae (tribe Cymbidieae) subtribe Corallorhizinae +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +