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Two new species of Cinnamodendron (Canellaceae) from Brazil

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Abstract

Two new species of Canellaceae from Brazil, Cinnamodendron brasiliense and Cinnamodendron catarinense, are here described. These species are known from the Atlantic Forest in the States of São Paulo (southeastern Brazil) and Santa Catarina (southern Brazil), respectively. Cinnamodendron brasiliense shares morphological similarities with C. occhionianum, but it can be distinguished by being a shrub or treelet up to 6 m tall with one or two flowers per inflorescence and obovoid fruits up to 1.8 cm long; whereas C. occhionianum is a tree 8–20 m tall with four or five flowers per inflorescence and globose fruits up to 1.5 cm long. Cinnamodendron catarinense resembles C. sampaioanum, but it has more flowers per inflorescences (6–8), the staminal tube below the anthers is shorter (about 1 mm long), and the anthers are longer (2.2–2.5 mm) than those of C. sampaioanum, which has 1–3 flowers per inflorescence, a staminal tube below anthers of ca. 3.2 mm long, and anthers 1–1.2 mm long. With the addition of these two species, Brazil becomes the country with the highest number of species of Cinnamodendron, holding six of the eight known species for South America. In this work, a key to all the species of Cinnamodendron from South America is also provided, as well as illustrations in photographs and line drawings of the two new species.

Resumo

Duas novas espécies de Canellaceae do Brasil, Cinnamodendron brasiliense e Cinnamodendron catarinense, são aqui descritas. Estas espécies são conhecidas da Mata Atlântica e ocorrem nos estados de São Paulo (Sudeste do Brasil) e Santa Catarina (Sul do Brasil), respectivamente. Cinnamodendron brasiliense compartilha semelhanças morfológicas com C. occhionianum, mas pode ser distinguida por ser um arbusto ou arvoreta com até 6 m de altura, com uma ou duas flores por inflorescência e frutos obovoides com até 1,8 cm de comprimento; já C. occhionianum é uma árvore de 8–20 m de altura, com quatro ou cinco flores por inflorescência e frutos globosos menores, medindo até 1,5 cm de comprimento. Cinnamodendron catarinense assemelha-se a C. sampaioanum, mas possui mais flores por inflorescências (5–8), a base do tubo estaminal é mais curta (ca. de 1 mm de comprimento) e as anteras são mais longas (2,2–2,5 mm comprimento) que as de C. sampaioanum, que apresenta 1 a 3 flores por inflorescência, um tubo estaminal com ca. de 3,2 mm de comprimento e anteras de 1 a 1,2 mm de comprimento. Com a adição dessas duas espécies, o Brasil torna-se o país com maior número de espécies de Cinnamodendron, incluindo seis das oito espécies conhecidas para a América do Sul. Neste trabalho, uma chave para todas as espécies de Cinnamodendron da América do Sul também é fornecida, bem como ilustrações através de fotos e desenhos a nanquim das duas espécies novas.

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Acknowledgements

This paper is part of the first author’s dissertation in the Department of Plant Biology of Cornell University. The authors thank Dr. Marco Antonio de Assis from the Instituto de Biociências, UNESP, Rio Claro for providing material of C. brasiliense and for assistance in the field. We are grateful to Rogério Lupo and Cely González for preparing the illustrations of C. brasiliense and C. catarinense, respectively. Fábio de Barros thanks the Brazilian “National Council of Scientific and Technological Development” (CNPq) for a research fellowship. Marcos A. Caraballo-Ortiz is obliged to the Peter Buck Postdoctoral Fellowship from the Smithsonian Institution. Jackeline Salazar’s research and field work were supported by Cornell University (Harold E. Moore Jr. Endowment Fund and The Mario Einaudi Center for International Studies: LASP/Tinker Graduate Student Field Research Grants), The Botanical Society of America, American Society of Plant Taxonomists, International Association for Plant Taxonomy, The Linnean Society of London, and the Cuatrecasas Travel Award from the Smithsonian Institution. We thank the staff at the following herbaria for facilitating access to specimens: BH, BM, FLAS, FLOR, G, HB, HBR, HUH, K, MBM, MO, MU, NY, RB, S, SP, U, UEC, UFSC, UPCB, US, and VIC. We appreciate the assistance with molecular work provided by Alejandra Jaramillo from the Universidad Militar Nueva Granada in Colombia and Damon P. Little from the Cullman Program for Molecular Systematics Studies at The New York Botanical Garden. We are grateful to Dr. Pedro Acevedo-Rodriguez for revising an early version of the manuscript and providing valuable comments.

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Authors and Affiliations

  1. Escuela de Biología, Universidad Autónoma de Santo Domingo, Zona Universitaria, Santo Domingo, República Dominicana

    Jackeline Salazar

  2. Núcleo de Pesquisa Orquidário do Estado, Instituto de Botânica, Caixa Postal 68041, São Paulo, SP, 04045-972, Brazil

    Fábio De Barros

  3. Botany Department, National Museum of Natural History, Smithsonian Institution, MRC 166, Washington, D.C, 200013-7012, USA

    Marcos A. Caraballo-Ortiz

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  1. Jackeline Salazar
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  2. Fábio De Barros
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  3. Marcos A. Caraballo-Ortiz
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Correspondence to Jackeline Salazar.

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Salazar, J., De Barros, F. & Caraballo-Ortiz, M.A. Two new species of Cinnamodendron (Canellaceae) from Brazil. Brittonia 72, 381–392 (2020). https://doi.org/10.1007/s12228-020-09627-8

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