botryopterid

plural botryopterids

1. biologyAny extinct primitive fern of the genus Botryopteris.

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

   1927, Frank Hall Knowlton, Plants of the Past: A Popular Account of Fossil Plants, page 75

   1 more example

   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.

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