Nervilia petraea is a species of perennial herb in the family orchids. They have a self-supporting growth form. They are listed in cites appendix ii. They have simple, broad leaves. Flowers are visited by Ceylalictus aldabranus, Lasioglossum emirnense, and Liotrigona bitika. Individuals can grow to 0.056 m.
EOL has data for 14 attributes, including: