Arlenea A.M.N.Ribeiro, Y.Yang bis, A.A.F.Saraiva, Bantim, Junior et F.J.Lima in Ribeiro, Yang, Saraiva, Bantim, Junior & Lima

Plant Fossil Names Registry Number: PFN003162

Act LSID: urn:lsid:plantfossilnames.org:act:3162

Authors: A. M. N. Ribeiro, Y. Yang, A. Á. F. Saraiva, R. A. M. Bantim, J. T. C. Junior & F. J. de Lima

Rank: genus

Reference: Ribeiro, A. M. N., Yang, Y., Saraiva, A. Á. F., Bantim, R. A. M., Junior, J. T. C. & Lima, F. J. de (2023): Arlenea delicata gen. et sp. nov., a new ephedroid plant from the Early Cretaceous Crato Formation, Araripe Basin, Northeast Brazil. – Plant Diversity 46: 362–371., link

Page of description: 364

Type

Original diagnosis/description

Reproductive branches fertile, aphyllous, with terminal female cones, sympodial branching system, internodes longitudinally striated, with swollen nodes, from which 2–3 ramifications depart. Opposite branches of phyllotaxis. Solitary and terminal reproductive structures with oblong-oval to ovoid shape and apparently obtuse to cuspidate apex, show swollen receptacle, two pairs of bracts surrounding two ovals inner chlamydosperms, possibly longitudinally striated. Elongated ovoid to oblong-oval seed shape.

Etymology

Genus (new) Arlenea in honor of a professor and botanist at the Universidade Regional do Cariri, Maria Arlene Pessoa da Silva PhD, for his tireless work in the research and protection of the extant flora of Chapada do Araripe.

Stratigraphy

Cretaceous

Locality

Brazil
Araripe Basin, Northeast Brazi