bladder fern
ریشه و کاربرد
ریشه
The word 'bladder' refers to the bladder-like structures on the fern, and 'fern' comes from Old English 'fearn', which is related to Old High German 'farn'.
مثال
- The bladder fern is commonly found in damp woodland areas.
- The fronds of the bladder fern are delicate and feathery.
- Bladder ferns reproduce by releasing spores.
ترکیبهای رایج
Bladder ferns grow in woodland areas The fronds of the bladder fern are green The bladder fern is a common species
تعریف انگلیسی
noun
- any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori