Selected References

None.

self-pollination +
Gustavo A. Romero-González +, Germán Carnevali Fernández-Concha +, Robert L. Dressler +, Lawrence K. Magrath +  and George W. Argus +
Jussieu +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
flattened +, triangular +  and cylindric +
Worldwide except Antarctica +  and most diverse in tropical forests +
3-merous +, sessile +  and pedicellate +
not +  and resupinate +
lateral +  and terminal +
petiolate +, sessile +  and simple +
duplicate +, convolute +, whorled +, opposite +, distichous +  and alternate +
cauline +  and basal +
reduced +
larger +
differing in form and color +
1-many-flowered +  and cymose +
pendent +  and erect +
aerial +  and subterranean +
minute +
free +, distinct +, adnate +  and connate +
foliaceous +
not +  and alike +
branched +, or +  and simple +
pendent +  and erect +
proliferous +
thickened +  and stout +
concave +  and convex +
Orchidaceae tribe Orchideae +
Orchidaceae subfam. Orchidoideae +
annual +  and perennial +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +