Alvinia J.Kvaček

Plant Fossil Names Registry Number: PFN000295

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

Author: 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

Original diagnosis/description

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.