Pseudofagus C.J.Smiley et Huggins

Plant Fossil Names Registry Number: PFN002955

Act LSID: urn:lsid:plantfossilnames.org:act:2955

Authors: C. J. Smiley & L. M. Huggins

Rank: genus

Reference: Smiley, C. J. & Huggins, L. M. (1981): Pseudofagus idahoensis, n. gen. et sp. (Fagaceae) from the Miocene Clarkia flora of Idaho. – American Journal of Botany 68(6): 741–761., link

Page of description: 742

Type

Original diagnosis/description

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 terminating in free petiolate leaf-like appendages.