All images borrowed from Wikimedia Commons
Sometimes called wine cups, due to their resemblance of a long stemmed glass filled halfway with red wine. G. radians, from South Africa, are in the Iris family, Iridaceae. These plants are rarely seen in cultivation and prefer areas with winter temperatures that range between 7-23 degrees Celcius. Such a shame that they can only by grown in a few select areas as there’s nothing that quite beats that striking combination of ruby red and sapphire blue!