Zlatkocarpus pragensis (J.Kvaček et H.Eklund) J.Kvaček et E.M.Friis

Plant Fossil Names Registry Number: PFN000631

Act LSID: urn:lsid:plantfossilnames.org:act:631

Authors: J. Kvaček & E. M. Friis

Rank: species

Basionym: Myricanthium pragense J.Kvaček et H.Eklund

Reference: Kvaček, J. & Friis, E. M. (2010): Zlatkocarpus gen. nov., a new angiosperm reproductive structure with monocolpate-reticulate pollen from the Late Cretaceous (Cenomanian) of the Czech Republic. – Grana 49(2): 115–127.

Page of description: 119

Types

Holotype F 2892, National Museum, Prague, the Czech Republic
Figures: figs 4C, 4E–G, 5A–F

re-figured by J. Kvaček et Friis (2010: Grana, 49(2): figs 4A, 5A–E)

Diagnosis

Compound infructescences. The primary axis bearing semidecussately to nearly helically arranged secondary axes with fruits. Each secondary axis borne in the axil of a primary bract. The secondary axes bearing 100–150 sessile fruits, which are closely spaced and helically arranged. Each fruit supported by a small bract. Fruits circular in outline with numerous resin bodies in the fruit wall. The fruit apex with a circular, sessile stigma. Pollen grains adhering on the stigma of the Retimonocolpites type. Fruit wall thin. Seed coat thick, consisting of two layers.


emended diagnosis [J. Kvaček et Friis (2010): Grana, 49(2): 119]
As in Kvaček and Eklund (2003) with the following addition: Floral cup short, about one fourth of the total length of the fruit, most pronounced adaxially. Pollen with almost homogeneous reticulum.

Stratigraphy

Cretaceous, Upper Cretaceous, Cenomanian
Peruc Member, Peruc-Korycany Formation of the Bohemian Cretaceous Basin

Locality

Czech Republic
Prague, Hloubětín-Hutě

50° 06′ 34″ N, 14° 33′ 20″ E according toJ. Kvaček et Friis (2010: Grana, 49(2): 119)