Anatomy and Histochemistry of the Vegetative System of (Lindl.) Schltr. (Orchidaceae), a Potential Medicinal Species.

The orchid genus Schltr. (Orchidoideae, Cranichideae, Spiranthinae) comprises 20 species distributed from Mexico to Argentina, with 10 species found in Brazil. Anatomical studies of Orchidoideae Lindl.