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FNA | Family List | FNA Vol. 26 | Orchidaceae

8. Zeuxine Lindley, Orchid. Scelet. 9. 1826; orthography conserved.

[Greek zeuxis, a yoking or joining, referring to partial union of lip and column, or possibly to fusion of pollinia]

James D. Ackerman

Herbs, terrestrial, sympodial. Roots fleshy, villous. Stems succulent, glabrous. Leaves cauline, sessile [petiolate], not articulate; blade convolute, conduplicate, often membranous. Inflorescences terminal, dense spikes [racemes]; flowers spirally arranged; floral bracts mostly longer than flowers, membranaceous, scarious. Flowers few–many, resupinate, white with yellow lip, small, scarcely opening; sepals subequal; dorsal sepal erect, connivent with petals, forming hood over column; lateral sepals distinct and free, enclosing base of lip; lip pandurate, broadly rounded, margins entire, apex slightly broadened to winglike; column short; anther abaxial, 2-chambered, membranous; pollinia 2, sometimes 2-lobed, pyriform, sectile, caudicles present or absent; stigmas 2, on either side of column, convex; rostellum large, deeply divided. Fruits capsules, erect, ovoid [subglobose].

Species 30 (1 in the flora): introduced; tropical and subtropical regions, Africa, Asia, Australia, Pacific Islands; 1 species has escaped in parts of the Neotropics.

Lower Taxon


 

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Flora of China  
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