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Genus Plectorrhiza Family Orchidaceae

Description: Epiphytic or rarely epilithic herbs, monopodial; roots mostly aerial.

Leaves scattered along the stem, 2 or more per shoot, distichous, conduplicate.

Inflorescence racemose, several-flowered, lateral; flowers resupinate. Sepals free, similar. Lateral petals free, about as long as, or slightly shorter than sepals. Labellum free, attached to tip of column foot; lamina 3-lobed, with a prominent backward-pointing spur, which bears a callus on its anterior wall. Column lacking free filament and style; column wings apparently absent. Column foot shorter than column. Anther incumbent, cap-like. Pollinia 4, waxy. Stigma entire. Rostellum prominent, projecting forward, ventral.


Distribution and occurrence: World: 3 species, endemic Australia. Australia: Qld, N.S.W.

Text by P. H. Weston
Taxon concept:

One species in NSW: Plectorrhiza tridentata

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