Macradenia

R. Brown

Bot. Reg. 8: plate 612. 1822.

Etymology: Greek makros, large, and aden, gland, probably referring to the prominent viscidium, which is often referred to as a “gland”
Treatment appears in FNA Volume 26. Treatment on page 647. Mentioned on page 496.
Revision as of 20:46, 16 December 2019 by FNA>Volume Importer

Herbs, epiphytic, cespitose. Stems with prominent, elongate pseudobulbs partially covered by bracts. Leaves per sympodium 1, rarely 2, apical, leathery; blade conduplicate, oblong-lanceolate, dorsiventrally flattened, margins entire. Inflorescences racemes, arising from base of pseudobulb, pendent; bracts narrowly triangular. Flowers: petals and sepals oblong-elliptic, distinct and free; lip 3-lobed, without nectar cavity, callus shallow; column with prominent dorsal hood projecting over anther cap, otherwise without wings or arms; stigmatic cavity longitudinal; rostellum prominent, beaklike, projecting outward. Fruits capsules, ellipsoid, ± triangular in cross section.

Distribution

Tropical and subtropical regions of Western Hemisphere.

Discussion

Species 10–12 (1 in the flora).

Selected References

None.

... more about "Macradenia"
Mark W. Chase +
R. Brown +
Tropical and subtropical regions of Western Hemisphere. +
Greek makros, large, and aden, gland, probably referring to the prominent viscidium, which is often referred to as a “gland” +
Macradenia +
Orchidaceae (tribe Maxillarieae) subtribe Oncidiinae +