IDNAME urn:idName:fossilplants.info:genus:4602FC85-B4DE-F83E-A1B8-4DA89D800621 genus
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Itajuba

Genus Itajuba Ricardi-Branco, M. Torres, Tavares, de Souza Carvalho, P.G.E. Tavares, Arruda Campos in P. Ray Clim. Change & Reg./Loc. Resp. 190. 22 May 2013
Name
Itajuba
Rank
Genus
Authors (Pub.)
Ricardi-Branco F. Torres M. Tavares S. S. de Souza Carvalho I. Tavares P. G. E. Arruda Campos A. C.  
Publication
Itajuba yansanae gen and sp nov of Gnetales, Araripe Basin (Albian-Aptian) in Northeast Brazil [2013/5]
Authors (Book)
Ray P.  
Book
Climate Change and Regional/Local Responses
Page number
190
Year
2013

Parent Taxon
[Order] Gnetales
Fossil Status
leafy stems (with reproductive organs)

Type
Itajuba yansanae
Diagnosis
Plant with branch system bearing terminal female cones with striate stem at internodes. Main stem woody, with swollen nodes. Xylem consisting of vessels and tracheids, with tracheids more abundant than vessels; both with alternately distributed bordered pits. Long thin fibre-tracheids. Uniseriate rows of vascular rays composed of procumbent cells. Reproductive shoot with ovulate cones in terminal branchlets, 1 ovulate/seed per cone, surrounded by pairs of bracts. Ovate seed with ornamented external surface.


Links by genus

Species
Itajuba yansanae

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