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.

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"
James D. Ackerman +
Poiteau ex Lindley +
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 +
Pelexia +
Orchidaceae (tribe Cranichideae) subtribe Spiranthinae +