Thymolepis toxandra gen. et sp. nov., a mid-Cretaceous fossil flower with horseshoe-shaped anthers
DOI:
https://doi.org/10.17348/jbrit.v14.i1.896Resumen
La flor fósil descrita aquí como Thymolepis toxandra procede de los depósitos de ámbar de Birmania que han sido datados de ca. 100 Ma. El perianto consiste en 12 tépalos de tamaño y forma variados, dispuestos en pares decusados en el extremo de una copa floral obcónica. La epidermis de algunos tépalos es densamente papilosa y secretora. Las flores son bisexuales, el androceo consiste en 2 estambres cuyas anteras son bisporangiadas, hipocrepiformes, y densamente hirsutas. El gineceo es visible solo como un estigma bilobulado o como los extremos de dos estilos con fusión postgénita, el resto del pistilo(s) está oculto por el perianto y la copa floral. Se sugiere que el fósil puede ser un representante temprano de la familia Monimiaceae.
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