What type of category does Echium and Oxydendrum have in common?
Echium Echium is a genus of 60 species of flowering plant in the family Boraginaceae.
Epidendrum flexuosum Epidendrum flexuosum, a reed-stemmed "Epidendrum" common at mid-altitudes in Central America, is a species of orchid commonly called "Epidendrum imatophyllum". It grows exposed to intense sunlight in the forest canopy, particularly on "Guava" species. "E. flexuosum" bears non-resupinate lavender flowers on a congested raceme at the end of a long peduncle.