Macrantha

Several plant taxa contain the word macrantha, meaning "large-flowered":
 * Infrageneric taxa
 * Cypripedium sect. Macrantha, a group of slipper orchids in the genus Cypripedium
 * Acer sect. Macrantha, a group of maples in the genus Acer
 * Papaver sect. Macrantha, a group of poppies in the genus Papaver