noun
Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller
• Syn: ↑genus Horneophyton
• Hypernyms: ↑fern genus
• Member Holonyms: ↑Rhyniaceae, ↑family Rhyniaceae
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\\ˈhȯ(r)nēˈäfəˌtän\ nounUsage: capitalized
: a genus of Devonian fossil plants (family Rhyniaceae) similar to those of the genus Rhynia but smaller and lacking vascular tissue in the rhizome and considered to be one of the earliest forms of vascular land plants
Useful english dictionary. 2012.