Argyreia and Dipcadi, have which mutual characteristic?
Dipcadi Dipcadi is a genus of bulbous flowering plants in the family Asparagaceae, subfamily Scilloideae (also treated as the family Hyacinthaceae). It is widely distributed, occurring in southern Europe, most of Africa and the Middle East through to the Indian subcontinent.
Perreiraara × Perreiraara, abbreviated Prra. in the horticultural trade, is the nothogenus for intergeneric hybrids between the orchid genera "Aerides", "Rhynchostylis" and "Vanda" (Aer. x Rhy. x V.).