Cyrtomium falcatum is a species of fern known by the common name Japanese holly fern. It is native to eastern Asia. It grows from crevices, coastal cliffs, streambanks, rocky slopes, and other moist, stable areas. Cyrtomium falcatum has leaves exceeding 0.5 metres (1.6 ft) in length made up of six to ten pairs of shiny bright green leaflets. Each leathery leaflet has a flat to wavy to slightly toothed margin and a netlike pattern of veining. The underside of each leaflet has sori beneath brown or black indusia. Cyrtomium falcatum is a popular ornamental plant in temperate climate gardens, and a house plant.
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