tree fern

n. 欏（產於熱帶）

學術名詞

樹蕨：植物學、生態學
桫欏屬（桫欏科）：植物學
(木本羊齒)：植物學
桫欏：植物學

英文釋義

any of numerous usually tropical ferns having a thick woody stem or caudex and a crown of large fronds; found especially in Australia and New Zealand; chiefly of the families Cyatheaceae and Marattiaceae but some from Polypodiaceae