Pelexia

Poiteau ex Lindley

Bot. Reg. 12: plate 985. 1826.

Etymology: Greek pelex, helmet, in reference to dorsal sepal, which is united with petals to form narrow hood
Treatment appears in FNA Volume 26. Treatment on page 526. Mentioned on page 498.
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 TaxonIllustrator 
FNA26 Plate 086.jpegPelexia adnata
Sacoila lanceolata var. lanceolata
Schiedeella arizonica
Barbara Alongi
Barbara Alongi
Barbara Alongi

Herbs, terrestrial, rarely subaquatic, sympodial. Roots fasciculate, thick, fleshy, villous. Leaves 1–several, basal; petiole not articulate, reddish purple, long. Inflorescences terminal, many-flowered racemes or spikes, erect, pedunculate, bracteate. Flowers resupinate, green; dorsal sepal connivent with petals forming hood over column; lateral sepals decurrent on column-foot; lip sagittate to auriculate, fleshy, basal margins adnate to sides of column; column cylindric, elongate, puberulent to pilose; column-foot elongate; anther abaxial, ovate-cordate; pollinia 2, oblong-clavate, mealy; stigmas 2, adjacent; rostellum elongate; viscidium ovate to suborbiculate; ovary sessile to subsessile. Fruits capsules, erect.

Distribution

Subtropical and tropical regions, North America, Mexico, West Indies, Central America, South America

Discussion

Species 67 (1 in the flora).

Selected References

None.

Lower Taxa

... more about "Pelexia"
self-pollination +
ovate-cordate +
James D. Ackerman +
Poiteau ex Lindley +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
flattened +, triangular +  and cylindric +
puberulent +  and pilose +
elongate +  and cylindric +
Subtropical and tropical regions +, North America +, Mexico +, West Indies +, Central America +  and South America +
Greek pelex, helmet, in reference to dorsal sepal, which is united with petals to form narrow hood +
3-merous +, sessile +  and pedicellate +
lateral +  and terminal +
petiolate +, sessile +  and simple +
duplicate +, convolute +, whorled +, opposite +, distichous +  and alternate +
cauline +  and basal +
1 (?) +  and Several (?) +
reduced +
sagittate +  and auriculate +
larger +
differing in form and color +
sessile +  and subsessile +
1-many-flowered +  and cymose +
pendent +  and erect +
not articulate +
reddish purple +
oblong-clavate +
bracteate +, pedunculate +  and many-flowered +
aerial +  and subterranean +
minute +
free +, distinct +, adnate +  and connate +
foliaceous +
not +  and alike +
bracteate +, pedunculate +  and many-flowered +
branched +, or +  and simple +
pendent +  and erect +
proliferous +
thickened +  and stout +
concave +  and convex +
Pelexia +
Orchidaceae (tribe Cranichideae) subtribe Spiranthinae +
ovate +  and suborbiculate +
annual +  and perennial +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +