botryopteridとは 意味・読み方・使い方

名詞

botryopterid (plural botryopterids)

1. (botany) Any extinct primitive fern of the genus Botryopteris.
   • 1927, Frank Hall Knowlton, Plants of the Past: A Popular Account of Fossil Plants, page 75:

     The botryopterids (Botryopteriaceae) include three or four genera, all based on stem anatomy, with fruiting organs known also in one genus.

   • 1980, Abstracts of Papers to be Presented..., Botanical Society of America, page 44:

     To date it has been assumed that most Middle and Upper Pennsylvanian botryopterids produced sporangial aggregations similar to B. globosa and that all botryopterid species of this age produced Punctatisporites-like spores.