Paradinandra Schönenb. et E.M.Friis

Plant Fossil Names Registry Number: PFN001975

Act LSID: urn:lsid:plantfossilnames.org:act:1975

Authors: J. Schönenberger & E. M. Friis

Rank: genus

Reference: Schönenberger, J. & Friis, E. M. (2001): Fossil flowers of ericalean affinity from the Late Cretaceous of Southern Sweden. – American Journal of Botany 88(3): 467–480., link

Page of description: 479

Type

Original diagnosis/description

Flower small, in axil of subtending bract, short pedunculate, bibracteolate, actinomorphic, hypogynous, pentamerous; calyx probably initiated in a spiral, all other floral parts whorled, whorls alternating; calyx of five distinct and imbricate sepals; corolla of five basally united (?) petals, imbricate; androecium of 15 stamens, diplostemon, inner whorl with stamen pairs, filaments basally united and fused to the corolla (?); anthers basifixed, x-shaped, dithecal, tetrasporangiate, probably opening by restricted apical slits; pollen small, tricolpate (?) with long colpi, exine finely foveolate; intrastaminal nectary disc; gynoecium trimerous, syncarpous, superior; with three almost completely free elongate styles; ovary unilocular, placentation parietal (ovary with incomplete septa); ovules numerous, campylotropous, surface reticulate.

Etymology

The name Paradinandra refers to the similarities of the fossil flowers with those of different species of the Adinandra group [Adinandrieae sensu Keng (1962)].