Blechnum nudum

Fishbone Water-fern

Densely tufted perennial fern with erect fronds, on thick erect rhizome (rooting stem), sometimes forming a short trunk. Forms large colonies. Sterile and fertile fronds dissimilar. New growth yellowish.

Additional information

• FamilyBlechnaceae
• StoreyLower storey
• Size0.5-1 m x 0.5-1 m
• Plant groupingFerns & Fern Allies
• LeavesElliptic mid green sterile fronds, once divided. Oblong leaflets crowded, spreading with wide stalkless bases. Fertile fronds stiffly erect, segments narrow, shorter, separated. Shiny black stems and scales.
• FlowersNon-flowering. Narrow, continuous spore cases covering either side of midvein. Segment margin curved back partly covering spores.
• Bird attractingNo
• Butterfly attractingNo
• Frog habitatYes
• Growing conditionsMoist alluvial soils along margins of watercourses and shaded gullies in riparian, moist and wet forests. Tolerates periods of flooding. Semi shade to dappled shade.
• Garden useFerneries, sheltered gullies and beside water areas. Protect from hot sun and drying winds. Containers.
• Commercially availableAustralian plant & indigenous nurseries
• Conservation statusWidespread within the Shire
• Aboriginal Use In some areas - food - starchy rhizome eaten raw or roasted

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Plant Communities