Alvinia J.Kvaček

Plant Fossil Names Registry Number: PFN000295

Act LSID: urn:lsid:plantfossilnames.org:act:295

Authors: J. Kvaček

Rank: genus

Reference: Kvaček, J. (2000): Frenelopsis alata and its microsporangiate and ovuliferous reproductive structures from the Cenomanian of Bohemia (Czech Republic, Central Europe). – Review of Palaeobotany and Palynology 112: 51–78.

Page of description: 61

Type taxon

Diagnosis

Ovuliferous cone consisting of helically arranged cone scales. Each cone scale arising in axil of a bract. Ovuliferous cone scale consisting of two distally fused planar structures: the scale itself and covering flap. Obtuse apex of the ovuliferous cone scale showing three sterile appendages forming funnel-like structure lined by trichomes. One or two ovules per ovuliferous cone scale enclosed between the ovuliferous cone scale and covering flap; ovules with proximally oriented micropylar tube.

Etymology

In honor of the English palaeobotanist Kenneth Leonard Alvin, who greatly improved our knowledge of Cretaceous conifers, especially those of the family Cheirolepidiaceae.

Plant fossil remain

macro- and meso-fossils-embryophytes except wood