horneophyton horned whiff • horner · · · Info · Definitions · Characters · · horneophyton · · Text Latin · · Script 12 · · Length 5 · · Syllables Definitions · · · (noun) Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller. Synonyms: Horneophyton, genus Horneophyton. · · Noun Definition 1 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079