Dryadella is a genus of miniature orchids, formerly included in the genus "Masdevallia". They are closely related to the massive genus "Pleurothallis" and "Masdevallia". In "Masdevallia", all the sepals are fused. Masdevallia caudata is a species of orchid endemic to easternmost Colombia and adjacent Venezuela. Other allied genera include&colon; "Dracula", "Masdevallia", "Restrepia" and "Stelis". Other common orchids are "Masdevallia coccinea", "Miltoniopsis vexillaria", "Odontoglossum crispum" and "Odontoglossum nobile".