Alsophila

…genera of tree ferns (Alsophila, Cyathea, and Sphaeropteris) with more than 600 modern species, widely distributed in tropical regions. Family Thyrsopteridaceae Stems erect and trunklike or sprawling, hairy and with a mantle of roots, often producing slender runners; leaves large (up to 3.5 metres [11.5 feet]), 3 to 5…