Sphaeropteris lepifera, belonging to the Cyatheaceae family, can grow up to 6 meters in height. The Tree Fern has been in existence for over 300 million years, making it considered a living fossil. It holds significant importance in species evolution and paleoclimatic research. Sphaeropteris lepifera possesses medicinal and ornamental value and is protected under the "Endangered Species of Animals and Plants Ordinance" in Hong Kong.