Cryptanthus is a genus of flowering plants in the family Bromeliaceae, subfamily Bromelioideae. The genus name is from the Greek cryptos and anthos. This genus has two recognized subgenera: the type subgenus and Hoplocryptanthus Mez. All species of this genus are endemic to Brazil **last pic size plant will be dered. ? Cryptanthus makes an ideal houseplant: Keeping them around 60 to 85 degrees Fahrenheit will allow these bromeliads to thrive. ... As tropical jungle plants, Cryptanthus prefers relatively humid conditions, which you can create by using a room humidifier or misting the plant frequently.