sword fern   (TTS Sound)

The sword_fern has 1 Senses.

• sword fern
• any of several tropical ferns having more or less sword-shaped fronds including one from which the Boston fern developed
• 剣の形をした葉を多少なりとも持つ熱帯性シダ数種の総称で、ボストンタマシダの変異種も含む