sword fern

1. Any of several tropical ferns having more or less sword-shaped fronds including one from which the Boston fern developed (synset 113225724)
   is a type of: fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
   subtypes:

   • boston fern, nephrolepis exaltata, nephrolepis exaltata bostoniensis - a sword fern with arching or drooping pinnate fronds; a popular houseplant
   • basket fern, nephrolepis pectinata, toothed sword fern - tropical American fern cultivated for its finely divided greyish-green foliage; West Indies and southern Mexico to Peru and Brazil
   belongs to: genus nephrolepis, nephrolepis - small genus of tropical ferns; sometimes placed in Polypodiaceae

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