Enviar artigo por via de e-mail Devonian Spores of Kryshtofovichia africani Nikitin (Tracheophyta): Morphology and Ultrastructure
- Autores: Telnova O.P.1,2, Marshall J.E.3
-
Afiliações:
- Institute of Geology, Komi Scientific Center, Ural Branch
- Sorokin Syktyvkar State University
- University of Southampton
- Edição: Volume 52, Nº 3 (2018)
- Páginas: 342-349
- Seção: Article
- URL: https://bakhtiniada.ru/0031-0301/article/view/167811
- DOI: https://doi.org/10.1134/S0031030118030152
- ID: 167811
Citar
Acesso aberto
Acesso está concedido
Somente assinantes
Resumo
The morphology and ultrastructure of spores of the Devonian plant Kryshtofovichia africani Nikitin are examined. The structure of ultrathin exine megaspores of K. africani is established. The exine consists of two layers: granular ectexine and lamellate endexine. Microspores have a lamellate ultrastructure with a trend toward loosening and formation of the granular structure towards the ectexine outer part. Heterospory of K. africani is apparent in both morphological characters and sporoderm ultrastructure of micro- and megaspores.
Palavras-chave
Sobre autores
O. Telnova
Institute of Geology, Komi Scientific Center, Ural Branch; Sorokin Syktyvkar State University
Autor responsável pela correspondência
Email: telnova@geo.komisc.ru
Rússia, Syktyvkar; Syktyvkar
J. Marshall
University of Southampton
Email: telnova@geo.komisc.ru
Reino Unido da Grã-Bretanha e Irlanda do Norte, Southampton, SO17 1BJ
Arquivos suplementares
