Trizeuxis
(pronounced: trye-ZEWK-siss)
Classification
Maxillarieae subtribe Oncidiinae
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Overview
Miniature caespitose epiphytes producing fan-shaped growths. Pseudobulbs minute, completely concealed by leaf sheaths. Leaves altenate, distichous, strongly bilaterally compressed, rigid-fleshy. Inflorescences erect axillary pedunculate panicles. Flowers minute, barely opening, yellowish-white. Dorsal sepal and petals free, the lateral sepals fused for their length. Lip obscurely three-lobed, sessile, without callus. Column stout, club-shaped, without wings or foot; pollinia 2, on a common oblong-ellitpic stipe and minute viscidium.
Etymology
From the Greel tri, meaning three, and zeuxis, meaning yoking, probably referring to the three partially fused sepals.
Distribution
A monotypic genus widespread in the Neotropics.
Care and Culture Card
See basic growing conditions and care information below.
Mount plants of Trizeuxis on small slabs with a small pad of moisture-retaining material at the roots. Provide bright diffuse light, intermediate temperatures, good air circulation, high humidity and regular watering throughout the year.
Literature
Christenson, E. A. 2000. Trizeuxis. Orchids 69(7):671-672. Schweinfurth, C. 1960. Trizeuxis. Fieldiana (Bot.) 30(3):784-785.
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