Zeuxine

Lindley

Orchid. Scelet., 9. 1826.

Etymology: Greek zeuxis, a yoking or joining, referring to partial union of lip and column, or possibly to fusion of pollinia
Treatment appears in FNA Volume 26. Treatment on page 518. Mentioned on page 498.
Revision as of 04:21, 30 July 2020 by imported>Volume Importer
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 TaxonIllustrator 
FNA26 Plate 083.jpegPlatythelys querceticola
Zeuxine strateumatica
Prescottia oligantha
Barbara Alongi
Barbara Alongi
Barbara Alongi

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].

Distribution

Introduced; tropical and subtropical regions, Africa, Asia, Australia, Pacific Islands, 1 species has escaped in parts of the Neotropics

Discussion

Species 30 (1 in the flora).

Selected References

None.

... more about "Zeuxine"
self-pollination +
membranous +
broadened +
James D. Ackerman +
Lindley +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
flattened +, triangular +  and cylindric +
membranous +
tropical and subtropical regions +, Africa +, Asia +, Australia +, Pacific Islands +  and 1 species has escaped in parts of the Neotropics +
Greek zeuxis, a yoking or joining, referring to partial union of lip and column, or possibly to fusion of pollinia +
scarious +  and membranaceous +
3-merous +, sessile +  and pedicellate +
lateral +  and terminal +
not articulate +  and sessile +
duplicate +, convolute +, whorled +, opposite +, distichous +  and alternate +
reduced +
free +  and distinct +
rounded +  and pandurate +
larger +
differing in form and color +
1-many-flowered +  and cymose +
pendent +  and erect +
pyriform +  and 2-lobed +
Orchid. Scelet., +
aerial +  and subterranean +
minute +
free +, distinct +, adnate +  and connate +
subequal +
foliaceous +
not +  and alike +
branched +, or +  and simple +
pendent +  and erect +
proliferous +
thickened +  and stout +
succulent +
Zeuxine +
Orchidaceae (tribe Cranichideae) subtribe Goodyerinae +
annual +  and perennial +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +