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Japanese Bamboo Fern (Coniogramme japonica)

Japanese Bamboo Fern
Frond detail

Overview

Japanese Bamboo Fern (Coniogramme japonica) is a distinctive fern with bamboo-like, jointed stipes and large, pinnate fronds. It spreads by long-creeping rhizomes.

Taxonomy

Family:Adiantaceae
Genus:Coniogramme (koh-nee-oh-GRAM-ee)
Species:japonica (juh-PON-ih-kuh)
Synonym:Coniogramme japonica var. gracilis
Synonym:Dictyogramme japonica
Synonym:Gymnogramma japonica
Synonym:Hemionitis japonica
Synonym:Notogramme japonica

Description

Fronds are 50–100 cm long, pinnate, with long, pointed pinnae. The stipe is jointed, resembling bamboo. Rhizome is long-creeping, forming colonies. Sori are linear along the veins.

Habitat and Cultivation

Found in Japanese forests. Prefers moist, humus-rich soil in shade. Spreads slowly. Hardy in USDA zones 6–9. Use as a groundcover in woodland gardens.

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