Project 2600: N. A. Jud, M. A. Gandolfo. 2020. Fossil evidence from South America for the diversification of Cunoniaceae by the earliest Palaeocene. Annals of Botany. epub ahead of print:none yet.
Abstract
Background and Aims: Cunoniaceae are woody plants with a distribution that suggests a complex history of Gondwanan vicariance, long-distance dispersal, diversification, and extinction. Only four out of c. 27 genera in Cunoniaceae are native to South America today, but the discovery of extinct species from Argentine Patagonia is providing new information about the history of this family in South America Methods: We describe fossil flowers collected from early Danian (early Palaeocene, ~64 Mya) deposits of the Salamanca Formation. We compare them with similar flowers from extant and extinct species using published literature and herbarium specimens. We used simultaneous analysis of morphology and available chloroplast DNA sequences (trnL–F, rbcL, matK, trnH–psbA) to determine the probable relationship of these fossils to living Cunoniaceae and the co-occurring fossil species Lacinipetalum spectabilum Key results: Cunoniantha bicarpellata gen. et sp. nov. is the second species of Cunoniaceae to be recognized among the flowers preserved in the Salamanca Formation. Cunoniantha flowers are pentamerous, complete, the anthers contain in-situ pollen, and the gynoecium is bicarpellate and syncarpous with two free styles. Phylogenetic analysis indicates that Cunoniantha belongs to crown-group Cunoniaceae among the core-Cunoniaceae clade; although it does not have obvious affinity with any tribe. Lacinipetalum spectabilum, also from the Salamanca Formation, belongs to the Cunoniaceae crown-group as well, but close to tribe Schizomerieae Conclusions: Our findings highlight the importance of west Gondwana in the evolution of Cunoniaceae during the early Palaeogene. The co-occurrence of Cunoniantha bicarpellata and Lacinipetalum spectabilum, belonging to different clades within Cunoniaceae, indicates that the diversification of crown-group Cunoniaceae was underway by 64 million years agoRead the article »
Article DOI: 10.1093/aob/mcaa154
Project DOI: 10.7934/P2600, http://dx.doi.org/10.7934/P2600
This project contains | Matrices |
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Download Project SDD File | Total scored cells: 2326 Total media associated with cells: 0 Total labels associated with cell media: 0 |
Characters | |
Total characters: 58 Total characters with associated media: 0 Total characters with media with labels: 0 Total character states: 153 Total character states with associated media: 0 Total character states with media with labels:0 Total unordered/ordered characters:58/0 |
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MorphoBank Project 2600
MorphoBank Project 2600
- Creation Date:
23 January 2017 - Publication Date:
06 September 2020 - Project views: 18082
- Matrix downloads: 10
This research
supported by
Authors' Institutions
- Cornell University
- William Jewell College
Members
member name | taxa | specimens | media | chars | character
| cell scorings (scored, NPA, "-") | cell
| rules | ||||||||
Nathan Jud Project Administrator | 60 | 15 | 1 | 58 | 0 | 0 | 0 | 2326 (2182, 0, 144) | 0 | 0 | 0 | |||||
Maria Alejandra Gandolfo Full membership | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 (0, 0, 0) | 0 | 0 | 0 |
Taxonomic Overview for Matrix 'M26123' (42 Taxa)
taxon | unscored cells |
scored cells |
no cell support |
NPA cells |
"-" cells | cell images | labels on cell images |
member access |
[1] Spiraeanthemum samoense Last Modified in 06/26/19 | 0 | 51 | 51 | 0 | 7 | 0 | 0 | 2 |
[2] Spiraeanthemum ellipticum Last Modified in 06/26/19 | 0 | 51 | 51 | 0 | 7 | 0 | 0 | 2 |
[3] Brunellia oliveri Last Modified in 06/26/19 | 0 | 53 | 53 | 0 | 5 | 0 | 0 | 2 |
[4] Brunellia colombiana Last Modified in 06/26/19 | 0 | 53 | 53 | 0 | 5 | 0 | 0 | 2 |
[5] Davidsonia jerseyana Last Modified in 06/26/19 | 1 | 53 | 53 | 0 | 4 | 0 | 0 | 2 |
[6] Davidsonia johnsonii Last Modified in 06/26/19 | 2 | 51 | 51 | 0 | 5 | 0 | 0 | 2 |
[7] Bauera sessiliflora Last Modified in 06/26/19 | 1 | 50 | 50 | 0 | 7 | 0 | 0 | 2 |
[8] Bauera rubioides Last Modified in 06/26/19 | 0 | 51 | 51 | 0 | 7 | 0 | 0 | 2 |
[9] Eucryphia cordifolia Last Modified in 06/26/19 | 0 | 55 | 55 | 0 | 3 | 0 | 0 | 2 |
[10] Eucryphia moorei Last Modified in 06/26/19 | 0 | 57 | 56 | 0 | 2 | 0 | 0 | 2 |
[11] Hooglandia ignambiensis Last Modified in 06/26/19 | 10 | 45 | 45 | 0 | 3 | 0 | 0 | 2 |
[12] Anodopetalum biglandulosum Last Modified in 06/26/19 | 0 | 55 | 55 | 0 | 3 | 0 | 0 | 2 |
[13] Platylophus trifoliatus Last Modified in 06/26/19 | 0 | 55 | 55 | 0 | 3 | 0 | 0 | 2 |
[14] Ceratopetalum gummiferum Last Modified in 06/26/19 | 0 | 55 | 55 | 0 | 3 | 0 | 0 | 2 |
[15] Ceratopetalum apetalum Last Modified in 06/26/19 | 0 | 54 | 54 | 0 | 4 | 0 | 0 | 2 |
[16] Schizomeria serrata Last Modified in 06/26/19 | 0 | 55 | 55 | 0 | 3 | 0 | 0 | 2 |
[17] Schizomeria ovata Last Modified in 06/26/19 | 0 | 55 | 55 | 0 | 3 | 0 | 0 | 2 |
[18] Gillbeea adenopetala Last Modified in 06/26/19 | 0 | 53 | 53 | 0 | 5 | 0 | 0 | 2 |
[19] Geissois superba Last Modified in 06/26/19 | 0 | 52 | 52 | 0 | 6 | 0 | 0 | 2 |
[20] Karrabina benthamiana Last Modified in 06/26/19 | 0 | 51 | 51 | 0 | 7 | 0 | 0 | 2 |
[21] Pseudoweinmannia lachnocarpa Last Modified in 06/26/19 | 1 | 50 | 50 | 0 | 7 | 0 | 0 | 2 |
[22] Pullea glabra Last Modified in 06/26/19 | 2 | 51 | 51 | 0 | 5 | 0 | 0 | 2 |
[23] Weinmannia raiateensis Last Modified in 05/23/20 | 1 | 56 | 56 | 0 | 1 | 0 | 0 | 2 |
[24] Weinmannia bangii Last Modified in 06/26/19 | 0 | 57 | 57 | 0 | 1 | 0 | 0 | 2 |
[25] Weinmannia fraxinea Last Modified in 06/26/19 | 0 | 57 | 57 | 0 | 1 | 0 | 0 | 2 |
[26] Weinmannia minutiflora Last Modified in 06/26/19 | 0 | 57 | 57 | 0 | 1 | 0 | 0 | 2 |
[27] Weinmannia madagascariensis Last Modified in 06/26/19 | 0 | 57 | 57 | 0 | 1 | 0 | 0 | 2 |
[28] Cunonia atrorubens Last Modified in 06/26/19 | 1 | 56 | 56 | 0 | 1 | 0 | 0 | 2 |
[29] Cunonia capensis Last Modified in 06/26/19 | 0 | 57 | 57 | 0 | 1 | 0 | 0 | 2 |
[30] Pancheria engleriana Last Modified in 06/26/19 | 0 | 56 | 56 | 0 | 2 | 0 | 0 | 2 |
[31] Vesselowskya rubifolia Last Modified in 06/26/19 | 0 | 56 | 56 | 0 | 2 | 0 | 0 | 2 |
[32] Callicoma serratifolia Last Modified in 06/26/19 | 1 | 53 | 53 | 0 | 4 | 0 | 0 | 2 |
[33] Codia discolor Last Modified in 06/26/19 | 4 | 51 | 51 | 0 | 3 | 0 | 0 | 2 |
[34] Acrophyllum australe Last Modified in 06/26/19 | 1 | 53 | 53 | 0 | 4 | 0 | 0 | 2 |
[35] Caldcluvia paniculata Last Modified in 06/26/19 | 0 | 54 | 54 | 0 | 4 | 0 | 0 | 2 |
[36] Ackama rosifolia Last Modified in 06/26/19 | 2 | 54 | 54 | 0 | 2 | 0 | 0 | 2 |
[37] Spiraeopsis celebica Last Modified in 06/26/19 | 1 | 57 | 57 | 0 | 0 | 0 | 0 | 2 |
[38] Opocunonia nymanii Last Modified in 06/26/19 | 2 | 56 | 56 | 0 | 0 | 0 | 0 | 2 |
[39] Lamanonia ternata Last Modified in 06/26/19 | 0 | 52 | 52 | 0 | 6 | 0 | 0 | 2 |
[40] Aistopetalum viticoides Last Modified in 06/26/19 | 5 | 48 | 48 | 0 | 5 | 0 | 0 | 2 |
[41] † Lacinipetalum spectabilum Last Modified in 06/26/19 | 38 | 20 | 20 | 0 | 0 | 0 | 0 | 2 |
[42] † Cunoniantha bicarpellata Last Modified in 06/26/19 | 38 | 19 | 19 | 0 | 1 | 0 | 0 | 2 |
Project views
type | number of views | Individual items viewed (where applicable) |
Total project views | 18082 | |
Project overview | 902 | |
Matrix views | 696 | CunoniaceaeMorphology (105 views); Matrix landing page (591 views); |
Specimen list | 4985 | |
Media views | 2326 | Media search (1977 views); M584531 (349 views); |
Taxon list | 5640 | |
Bibliography | 2766 | |
Views for media list | 762 | |
Documents list | 5 |
Project downloads
type | number of downloads | Individual items downloaded (where applicable) |
Total downloads from project | 112 | |
Project downloads | 102 | |
Matrix downloads | 10 | CunoniaceaeMorphology (10 downloads); |