Lacinipetalum spectabilum Jud, Gandolfo, A.Iglesias et Wilf

Plant Fossil Names Registry Number: PFN001735


Authors: N. A. Jud, M. A. Gandolfo, A. Iglesias & P. Wilf

Rank: species

Genus: Lacinipetalum Jud, Gandolfo, A.Iglesias et Wilf

Reference: Jud, N. A., Gandolfo, M. A., Iglesias, A. & Wilf, P. (2018): Fossil flowers from the early Palaeocene of Patagonia, Argentina, with affinity to Schizomerieae (Cunoniaceae). – Annals of Botany 121(3): 431–442.

Page of description: 434

Illustrations or figures: figs 2, 3, 4A

Name is type for

Lacinipetalum Jud, Gandolfo, A.Iglesias et Wilf 2018


Holotype MPEF-Pb 8423, Museo Paleontológico Egidio Feruglio, Trelew, Patagonia, Argentina
Figures: fig. 2A

Note: Paratypes: From PL-2 MPEF-Pb 8423 (Figs 2A and 4A), MPEF-Pb 8517 (Fig. 2B), MPEF-Pb 8443a (Fig. 2C), MPEF-Pb 8447a (Fig. 2D), MPEF-Pb 8414a (Fig. 2E), MPEF-Pb 8455 (Fig. 2F), MPEF-Pb 8444a (Fig. 2G), MPEF-Pb 8452a (Figs 2H and 4B), and MPEF-Pb 8463 (Fig. 3A); from Palacio de los Loros-5 (PL-5): MPEF-Pb 9727a (Fig. 3B); from Las Flores locality: MPEF-Pb 9728 (Fig. 3C), housed in Museo Paleontológico Egidio Feruglio, Trelew, Patagonia, Argentina

Original diagnosis/description

Flowers pedicellate, 8- to 10-merous, actinomorphic, perfect; hypanthium palletiform; sepals lanceolate, inserted at the margin of the hypanthium; petals flabellate, laciniate, and equal or longer than the sepals; petal incision varies from ternate to twice ternate; apices of the petal lobes acute; anthers dorsifixed, versatile, about as long as wide, with two pollen sacs, and with a connective extension that is shorter than the length of the pollen sacs; pollen grains tricolporate, prolate, isopolar; exine homogeneous, punctate; gynoecium superior and syncarpous with two or four erect and free stylodia; ovary pubescent; floral disc filling the hypanthium.


The specific epithet for the numerous perianth parts.


Paleogene, Paleocene, Danian
upper Salamanca Formation, Chron C28n, early Danian


Palacio de los Loros-2 (PL-2), Chubut Province

Plant fossil remain

macro- and meso-fossils-embryophytes except wood