tree-fern

英 [t'riːf'ɜːn] 美 [t'riːf'ɜːn]

• n. 〈植〉灰白水龙骨

英英释义

名词 tree fern:

1. 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