|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Magnoliopsida - Fagales - Fagaceae
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|W. L. Crepet and K. C. Nixon 1989||Staminate catkins robust, branched and apparently erect in life with crowded dichasia of small perigon and more than six stamens with a small anthers. Pollen tricolporate, prolate (P/E = 1.37), small (ave. diam 22 micrometer) with a geniculus. Exine tectate columellate with a relatively thick footlayer (fl/t = 0.6) and micromorphology wovenvermiform (vermiform elements ca. 0.22 micrometers in diam), with the vermiform elements occasionally braided|