Botryopteridaceae
plural nounBot·ry·op·ter·i·da·ce·ae | \ ˌbä‧trēˌäpˌterəˈdāsēˌē \
Definition of Botryopteridaceae
: a family of three or four genera of primitive ferns found in Devonian and Carboniferous rocks of Europe and having the stem strand of xylem surrounded by phloem and the petioles with characteristic single W-shaped vascular bundle
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