Research Grants

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Unraveling cacao: systematics and evolution of Theobroma L. and Herrania Goudot (Malvaceae, Byttnerioideae)

Project summary:

We will undertake a revision of nomenclatural and taxonomic status of Theobroma and Herrania species (the cocoa group), associating it to an assessment of the morphological evolution and speciation modes in the group, bringing novel and highly-impactive contributions to systematics and evolution of a group with major symbolic and material importance to society.

Cost: $


Matheus Colli Silva

Highest degree:

BSc in Biology

Year obtained:


Applicant Status:

Current student


Flowering plants

University of São Paulo

Relevant publications (minimum 1, maximum 4):

Colli-Silva, M., Vasconcelos, T.N.G. & Pirani, J.R. (2019) Outstanding plant endemism levels strongly support the recognition of campo rupestre provinces in mountaintops of eastern South America. Journal of Biogeography, in press.

Colli-Silva, M. & Pirani, J.R. (2019) Biogeographic patterns of Galipeinae (Galipeeae, Rutaceae) in Brazil: species richness and endemism at different latitudes of the Atlantic Forest “hotspot”. Flora, 251, 77-87.

Colli-Silva, M. & Pirani, J.R. (2019) Notes on the circumscription of Pterygota (Malvaceae, Sterculioideae) with special reference to a Brazilian taxon with a misapplied name. Phytotaxa, 415, 113-115.

Colli-Silva, M., Esteves, G.L. & Duarte, M.C. (2019) Flora of the Serra do Cipó, Minas Gerais: Byttnerioideae, Helicterioideae and Sterculioideae (Malvaceae). Boletim de Botânica da Universidade de São Paulo, 37, 27-48.

Referee 1:

José Rubens Pirani

Referee 2:

James Edward Richardson

Scoring Rubric

Your name:

Scientific merit


1.  Contribution to novel methods for research in systematics and taxonomy and/or
     Building taxonomic capacity in developing countries

2.  Contribution to the generation of novel systematic data

3.  Quality and significance of questions being addressed

4.  Adequacy of methods for testing hypotheses (data collection/analysis/use of different tools)

This proposal scores:


IAPT community building


5.  Student's potential for professional success

6.  Perceived need; extent to which the project will benefit from IAPT funding

This proposal scores:


Broader Impacts


7.  The research will yield durable benefits (revisions, databases, websites)

8.  Potential of the proposed project to generate an impactful publication

9.  The proposed research involves outreach/mentoring and broad dissemination

This proposal scores:


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