Jaguariba
{{Short description|Species of aquatic plant}}
{{Speciesbox
| fossil_range = {{Fossil range |145|100.5}}Early Cretaceous
| image = Jaguariba wiersemana, Brazil - Museum fur Naturkunde, Berlin - MB. Pb. 1999-614.jpg
| image_caption = Jaguariba wiersemana
| genus = Jaguariba
| parent_authority = Coiffard, B.A.R. Mohr & Bernardes-de-Oliveira
| species = wiersemana
| authority = Coiffard, B.A.R. Mohr & Bernardes-de-Oliveira
| synonyms =
| synonyms_ref =
| range_map =
| range_map_caption =
| extinct = yes
}}
Jaguariba wiersemana was a species of herbaceous, rhizomatous, aquatic plant, which occurred in the early Cretaceous period of Northern Gondwana.
Description
=Vegetative characteristics=
Jaguariba wiersemana was an aquatic herbaceous plant with up to 15 mm wide rhizomes and up to 1.5 mm wide adventitious roots. The petiolate, alternately arranged, simple leaves had elliptic-ovate, 16-53 mm long, and 19-69 mm wide leaf blades. The petioles were 42-118 mm long, and 2-6 mm wide. The leaf venation was actinodromous.Coiffard, C., Mohr, B. A., & Bernardes-de-Oliveira, M. E. (2013). [https://www.researchgate.net/profile/Barbara-Mohr/publication/259081173_Jaguariba_wiersemana_gen_nov_et_sp_nov_an_Early_Cretaceous_member_of_crown_group_Nymphaeales_Nymphaeaceae_from_northern_Gondwana/links/577a86d508ae355e74f06f1c/Jaguariba-wiersemana-gen-nov-et-sp-nov-an-Early-Cretaceous-member-of-crown-group-Nymphaeales-Nymphaeaceae-from-northern-Gondwana.pdf "Jaguariba wiersemana gen. nov. et sp. nov., an Early Cretaceous member of crown group Nymphaeales (Nymphaeaceae) from northern Gondwana."] Taxon, 62(1), 141-151.
Taxonomy
=Publication=
It was first described by Clément Coiffard, Barbara Adelheid Rosina Mohr, and Mary Elizabeth Cerruti Bernardes-de-Oliveira in 2013.
=Type specimen=
The holotype is kept in the Museum für Naturkunde, Berlin. The type locality is Nova Olinda, Brazil.
=Position within Nymphaeales=
It is placed within the family Nymphaeaceae.Coiffard, C., Bernardes-de-Oliveira, M.E.C. (2020). Angiosperms in the Early Cretaceous of Northern Gondwana: A Track Record. In: Iannuzzi, R., Rößler, R., Kunzmann, L. (eds) Brazilian Paleofloras. Springer, Cham. https://doi.org/10.1007/978-3-319-90913-4_31-1
Etymology
The generic name Jaguariba is derived from Rio Jaguaribe in Ceará, Brazil. The specific epithet wiersemana honours John Harry Wiersema.
References
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{{Taxonbar|from=Q124251993}}
Category:Cretaceous angiosperms
Category:Prehistoric angiosperm genera