sword fern(redirected from Polystichum munitum)
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Related to Polystichum munitum: sword fern
1. Any of various ferns of the genus Nephrolepis, including the Boston fern, having long, narrow fronds.
2. Any of various ferns of the genus Polystichum, especially P. munitum, native to western North America and having long, dark green fronds.
(Plants) any of numerous ferns having sword-shaped fronds
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|Noun||1.||sword fern - any of several tropical ferns having more or less sword-shaped fronds including one from which the Boston fern developed|
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
Boston fern, Nephrolepis exaltata, Nephrolepis exaltata bostoniensis - a sword fern with arching or drooping pinnate fronds; a popular houseplant