black tree fern blacktree • black-tressed · · · Info · Definitions · Synonyms · Characters · · black tree fern · · Text Common · · Latin · · Scripts 15 · · Length 3 · · Syllables Definitions · · · (noun) a showy tree fern of New Zealand and Australia having a crown of pinnated fronds with whitish undersides. Synonyms: silver tree fern, sago fern, black tree fern, Cyathea medullaris. · · Noun Definition 1 Synonyms · · · silver tree fern · · Synonym 1 sago fern · · Synonym 2 cyathea medullaris · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074