|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.
|C. J. Smiley and L. M. Huggins 1981||Leaves with axially attached single fruits. Leaves Fagus-like, shape broadly to narrowly elliptic, measuring 10-24 cm long and 5-10 cm wide; margins regularly dentate, primary teeth terminating secondary veins and usually simple; entire venation pattern beech-like, except for larger number of secondary veins which are usually 19-22 on each side of midrib. Fruit, a single, trigonous, distinctly keeled nut exposed above a diminutive basal cupule; cupule appearing as an expanded apex of fruit peduncle, apical rim irregularly toothed, teeth terminanting in free petiolate leaf-like appendages.|