Icacinanthium tainiaphorum Del Rio et De Franceschi in Del Rio, Haevermans & De Franceschi

Plant Fossil Names Registry Number: PFN000551

Act LSID: urn:lsid:plantfossilnames.org:act:551

Authors: C. Del Rio (as Del Rio) & D. De Franceschi (as De Franceschi)

Rank: species

Reference: Del Rio, C., Haevermans, T. & De Franceschi, D. (2017): First record of an Icacinaceae Miers fossil flower from Le Quesnoy (Ypresian, France) amber. – Scientific Reports 7(11099): 1–7.

Page of description: 11099: p. 2

Illustrations or figures: figs 1, 2

Name is type for

Icacinanthium Del Rio et De Franceschi in Del Rio, Haevermans & De Franceschi 2017


Original diagnosis/description

Flower small, actinomorphic, hypogynous and pentamerous. Calyx cupular, Petals lanceolate curved backwards, with a straight apex, fused at base in a short cup, tomentose on adaxial surface with long, simple flattened hairs with granular ornamentation, glabrous on abaxial surface. Stamens alternate to petals, free. Pollen small, triaperturate and echinate.


“tainiaphorum” refers to the flat “ribbon-like” (L = tainia, ribbon) hairs borne (L = phor, bearing) on the petals.


Paleogene, Eocene, Ypresian


Le Quesnoy, Oise

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


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