Rafflesia Arnoldii the world’s largest flower. Diameter of about one meter and weighing up to ten kilograms. It's rare & not easily located, growing once a year, blooming for 5 days. Found in Indonesian rain forests of southeastern Asia and Philippines.
Amorphophallus titanum (Titan arum) - The largest flower in the world was blooming in Blanco , Veracruz , Mexico . Two meters feet) high and weighing 75 kilos lbs). It has the peculiarity of blooming only during three days every 40 years.
Dark Queens and Black Knights The quest for Black Flowers started when I came across the Black Garden in the Jardin de l'Alchymiste near Avignon. There they have a quite interresting "room" all dedicated to the colour black