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Pteridosperm

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Translation of "pteridosperm" into Russian

pteridosperm
Noun
raiting
UK
/ˌtɛrɪdəʊˈspɜːm/
US
/ˌtɛrɪdəˈspɜrm/
pteridosperm
pteridosperms pl
птеридосперм
Pteridosperms are an extinct group of seed plants.
Птеридоспермы — это вымершая группа семенных растений.

Definitions

pteridosperm
Noun
raiting
UK
/ˌtɛrɪdəʊˈspɜːm/
US
/ˌtɛrɪdəˈspɜrm/
A member of an extinct group of seed-producing plants with fern-like foliage; a seed fern.
The fossilised pteridosperm shows clearly the veins of its frond-like leaves.
pteridosperm
Adjective
raiting
UK
/ˌtɛrɪdəʊˈspɜːm/
US
/ˌtɛrɪdəˈspɜrm/
Relating to or characteristic of seed ferns (pteridosperms).
Pteridosperm pollen was abundant during the Permian period.