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.
Argyroxiphium Argyroxiphium is a small genus of plants in the sunflower family, Asteraceae. Its members are known by the common names of silversword or greensword due to their long, narrow leaves and the silvery hairs on some species. It belongs to a larger radiation of over 50 species, including the physically different genera "Dubautia" and "Wilkesia". This grouping is often referred to as the silversword alliance.