Pteridosperm
[tuh-rid-uh-spurm, ter-i-doh-] /təˈrɪd əˌspɜrm, ˈtɛr ɪ doʊ-/
noun
1.
seed fern.
pteridosperm
/ˈtɛrɪdəˌspɜːm/
noun
1.
any extinct seed-producing fernlike plant of the group Pteridospermae Also called seed fern
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