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Boston fern Boston fernBoston fernn. A cultivar of the sword fern Nephrolepis exaltata, having arching or drooping pinnate fronds and popular as a houseplant. [So called because the cultivar was first discovered in a lot of fern plants shipped to Cambridge, Massachusetts, and subsequently propagated by a local distributor.]Bos′ton fern′ n. a variety of sword fern, Nephrolepsis exaltata bostoniensis, having long, narrow, drooping fronds. [1895–1900] ThesaurusNoun | 1. | Boston fern - a sword fern with arching or drooping pinnate fronds; a popular houseplantNephrolepis exaltata, Nephrolepis exaltata bostoniensissword fern - any of several tropical ferns having more or less sword-shaped fronds including one from which the Boston fern developed | EncyclopediaSeeNephrolepisBoston fern
Synonyms for Boston fernnoun a sword fern with arching or drooping pinnate frondsSynonyms- Nephrolepis exaltata
- Nephrolepis exaltata bostoniensis
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