Flora of the Reserva Ducke, Amazonas, Brazil: Simaroubaceae

Devecchi, Marcelo Fernando; Thomas, William Wayt; Pirani, José Rubens

doi:10.1590/2175-7860202273045

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Original Paper • Rodriguésia 73 • 2022 • https://doi.org/10.1590/2175-7860202273045 copy

Flora of the Reserva Ducke, Amazonas, Brazil: Simaroubaceae

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

The present study aims to improve the knowledge of Simaroubaceae in the Reserva Ducke, Manaus, Amazonas. It is based on morphological analysis of herbaria collections and field expeditions. The family is represented in that area by six species belonging to four genera: Homalolepis (1 sp.), Picrolemma (1 sp.), Simaba (3 spp., including a new one described herein), and Simarouba (1 sp.). Identification keys, morphological descriptions, illustrations, and taxonomic comments are provided for each species.

Key words
Amazon; floristic inventories; Homalolepis; new species; Picrolemma; Simaba; Simarouba

Authorship

Marcelo Fernando Devecchi ⁵5Author for correspondence: mfdevecchi@usp.br

University of São Paulo, Department of Botany, Herbarium SPF, São Paulo, SP, Brazil.University of São PauloBrazilSão Paulo, SP, BrazilUniversity of São Paulo, Department of Botany, Herbarium SPF, São Paulo, SP, Brazil.

http://orcid.org/0000-0002-1998-7664

William Wayt Thomas

The New York Botanical Garden, Institute of Systematic Botany, Bronx, NY, USA.The New York Botanical GardenUSABronx, NY, USAThe New York Botanical Garden, Institute of Systematic Botany, Bronx, NY, USA.

http://orcid.org/0000-0002-4996-536X

José Rubens Pirani

http://orcid.org/0000-0001-7984-4457

5Author for correspondence: mfdevecchi@usp.br

Area Editor: Dra. Marli Morim

SCIMAGO INSTITUTIONS RANKINGS

Figures

Figures (3)

Thumbnail

Figure 1
Location of Reserva Florestal Adolpho Ducke, Manaus, Amazonas (adapted from: Google earth 2021).

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Figure 2
a-d. Homalolepis cedron – a. leaflet, abaxial surface; b. flower at anthesis; c. stamens in dorsal and ventral view; d. gynoecium on top of a gynophore. e-j. Picrolemma sprucei – e. shoot with imparipinnate leaves and a terminal inflorescence with fruitlets in development; f. hollow stem; g. detail of a swollen petiole; h. male flower in lateral view and frontal view, with four and five petals and stamens; i. inflorescence with female flowers at anthesis; j. fruitlet. k-m. Simaba guianensis – k. shoot with imparipinnate leaves and a short terminal inflorescence; l. flower; m. flower with four petals removed showing the gynophore and ovary. n-o. Simaba polyphylla – n. shoot with imparipinnate leaf and inflorescence; o. flower at anthesis. p-r. Simarouba amara – p. imparipinnate leaf; q. male flower; r. female flower. Modified from: a-d. Devecchi et al. (2018b)Devecchi MF, Thomas WW & Pirani JR (2018b) Taxonomic revision of the neotropical genus Homalolepis Turcz. (Simaroubaceae). Phytotaxa 366: 1-108.; k-o. Thomas (1985)Thomas WW (1985) The Simaba guianensis complex in Northern South America. Acta Amazonica 15: 71-79.; p-r. Devecchi & Pirani (2016)Devecchi MF & Pirani JR (2016) Flora das cangas da Serra dos Carajás, Pará, Brasil: Simaroubaceae. Rodriguésia 67: 1471-1476..

Thumbnail

Figure 3
a-g. Simaba pubicarpa – a. branch with terminal and axillary inflorescences; b. leaflet with brochidodromous venation and the laminar glands distributed near the base; c. flower with a petal and four stamens removed showing the gynoecium; d. gynoecium on top of the gynophore and style; e. stamens with anther, filament and filament appendage, abaxial view; f. same as e. adaxial view; g. fruitlet. (a-f. Assunção & Silva 359; g. Assunção et al. 404).

Figure 1 Location of Reserva Florestal Adolpho Ducke, Manaus, Amazonas (adapted from: Google earth 2021).

Figure 2 a-d. Homalolepis cedron – a. leaflet, abaxial surface; b. flower at anthesis; c. stamens in dorsal and ventral view; d. gynoecium on top of a gynophore. e-j. Picrolemma sprucei – e. shoot with imparipinnate leaves and a terminal inflorescence with fruitlets in development; f. hollow stem; g. detail of a swollen petiole; h. male flower in lateral view and frontal view, with four and five petals and stamens; i. inflorescence with female flowers at anthesis; j. fruitlet. k-m. Simaba guianensis – k. shoot with imparipinnate leaves and a short terminal inflorescence; l. flower; m. flower with four petals removed showing the gynophore and ovary. n-o. Simaba polyphylla – n. shoot with imparipinnate leaf and inflorescence; o. flower at anthesis. p-r. Simarouba amara – p. imparipinnate leaf; q. male flower; r. female flower. Modified from: a-d. **Devecchi et al. (2018b)Devecchi MF, Thomas WW & Pirani JR (2018b) Taxonomic revision of the neotropical genus Homalolepis Turcz. (Simaroubaceae). Phytotaxa 366: 1-108.; k-o. Thomas (1985)Thomas WW (1985) The Simaba guianensis complex in Northern South America. Acta Amazonica 15: 71-79.; p-r. Devecchi & Pirani (2016)**Devecchi MF & Pirani JR (2016) Flora das cangas da Serra dos Carajás, Pará, Brasil: Simaroubaceae. Rodriguésia 67: 1471-1476..

Figure 3 a-g. Simaba pubicarpa – a. branch with terminal and axillary inflorescences; b. leaflet with brochidodromous venation and the laminar glands distributed near the base; c. flower with a petal and four stamens removed showing the gynoecium; d. gynoecium on top of the gynophore and style; e. stamens with anther, filament and filament appendage, abaxial view; f. same as e. adaxial view; g. fruitlet. (a-f. Assunção & Silva 359; g. Assunção et al. 404).

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Flora of the Reserva Ducke, Amazonas, Brazil: Simaroubaceae

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[1] 5Author for correspondence: mfdevecchi@usp.br