Synopsis of Dorstenia (Moraceae) in Rio Grande do Sul, Southern Brazil

Boeni, Bruna De Oliveira; Singer, Rodrigo Bustos

doi:10.1590/0001-3765201520140369

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Biological Sciences • An. Acad. Bras. Ciênc. 87 (2) • Apr-Jun 2015 • https://doi.org/10.1590/0001-3765201520140369 linkcopy

Synopsis of Dorstenia (Moraceae) in Rio Grande do Sul, Southern Brazil

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstracts

A taxonomic synopsis of Dorstenia (Moraceae) in Rio Grande do Sul (RS), Southern Brazil, is presented. Three species were recorded: D. brasiliensis, D. carautae, a new record for the state of RS, and D. tenuis. All species are described and illustrated through detailed photos of living specimens. A taxonomic key to separate the species, as well as details on distribution, overall phenology, habitat, conservation status and ecology are presented.

Emygdioa; Lecanium; morphology; South-America; taxonomy

Authorship

Bruna De Oliveira Boeni

Programa de Pós-Graduação em Botânica, Departamento de Botânica, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Bloco IV, Prédio 43433, Sala 214, Campus do Vale, Agronomia, 91501-970 Porto Alegre, RS, BrasilUniversidade Federal do Rio Grande do SulBrasilPorto Alegre, RS, BrasilPrograma de Pós-Graduação em Botânica, Departamento de Botânica, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Bloco IV, Prédio 43433, Sala 214, Campus do Vale, Agronomia, 91501-970 Porto Alegre, RS, Brasil

Rodrigo Bustos Singer

Correspondence to: Bruna de Oliveira Boeni E-mail: bruboeni@gmail.com

SCIMAGO INSTITUTIONS RANKINGS

Figures

Figures (8)

Thumbnail

Figure 1
Dorstenia carautae C.C. Berg. A. Habit. B. Detail of stem and leaves; notice the elongate internodes. C. Detail of the plant. D. Adaxial surface of leave with sparse trichomes. E. Adaxial surface of leave with conical trichomes. F. Abaxial surface of leave, puberulous. Scale bars: A and C = 10 cm; B = 1 cm; D-F = 1 mm.

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Figure 2
Dorstenia carautae C.C. Berg. A. Veins brochidodromous. B. Base of leaf blade. C. Coenanthium, bracts in rows. D. Detail of staminate and pistillate (arrow) flowers. E. Staminate flowers at anthesis (arrow). F. Pistillate phase (arrow). G. Fruit development. H. Mature achenes. Scale bars: B = 1 mm; A, C, E, H = 1 cm; D, F-G = 0,5 cm.

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Figure 3
Dorstenia tenuis Bonpl. ex Bureau. A. Habitat. B. Habit. C. Herb with inflorescences. D. Rhizome. E. Short internodes and stipules. F. Veins cladodromous and margin crenate. G. Base cordate. H. Abaxial surface of leave, puberulous. Scale bars: A, C = 10 cm; B = 15 cm; D-E = 2 cm; F-H = 1 mm.

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Figure 4
Dorstenia tenuis Bonpl. ex Bureau. A. Coenanthium in early development. B. Detail of coenanthium. C. Pistillate phase (arrow). D. Staminate and pistillate phase (arrow). E. Detail of anthers. F. Bracts at the margin (arrow). G. Fruit development (arrow). H. Mature achene (arrow). Scale bars: A, E = 0,5 cm; C-D, G-H = 1 cm; B, F = 0,2 mm.

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Figure 5
Dorstenia brasiliensis Lam. A. Habit. B. Prostrate leaves. C. Coenanthium, outside of receptacle. D. Lamina of leave, ovate. E. Cordate base of leaf blade. F. Adaxial surface of leave. G. Abaxial surface of leave. H. Rhizome. Scale bars: A and B = 10 cm; C-D, H = 2 cm; E = 1 cm; F and G = 1 mm. Photos B and D: S. Bordignon.

Thumbnail

Figure 6
Dorstenia brasiliensis Lam. A. Coenanthium, bract rows (arrow). B. Pistillate phase, before fertilization (arrow). C. Staminate phase (arrow). D. Mature stamens (arrow). E. Detail of anthesis (arrow). F. Pistillate phase, after fertilization (arrow). G. Fruit development. H. Mature achenes. Photo H: S. Bordignon. Scale bars: A-F, H = 1 cm; G = 2 cm.

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Figure 7
Morphological variations in coenanthia of Dorstenia brasiliensis, sampled in Rio Grande do Sul, Brazil. Scale bars: A, C, D-H = 2 cm; B = 1 cm. Photos G and H: S. Bordignon.

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Figure 8
Distribution map for Dorstenia species native to Rio Grande do Sul, Southern Brazil.

imageFigure 1 Dorstenia carautae C.C. Berg. A. Habit. B. Detail of stem and leaves; notice the elongate internodes. C. Detail of the plant. D. Adaxial surface of leave with sparse trichomes. E. Adaxial surface of leave with conical trichomes. F. Abaxial surface of leave, puberulous. Scale bars: A and C = 10 cm; B = 1 cm; D-F = 1 mm. open_in_new

imageFigure 2 Dorstenia carautae C.C. Berg. A. Veins brochidodromous. B. Base of leaf blade. C. Coenanthium, bracts in rows. D. Detail of staminate and pistillate (arrow) flowers. E. Staminate flowers at anthesis (arrow). F. Pistillate phase (arrow). G. Fruit development. H. Mature achenes. Scale bars: B = 1 mm; A, C, E, H = 1 cm; D, F-G = 0,5 cm. open_in_new

imageFigure 3 Dorstenia tenuis Bonpl. ex Bureau. A. Habitat. B. Habit. C. Herb with inflorescences. D. Rhizome. E. Short internodes and stipules. F. Veins cladodromous and margin crenate. G. Base cordate. H. Abaxial surface of leave, puberulous. Scale bars: A, C = 10 cm; B = 15 cm; D-E = 2 cm; F-H = 1 mm. open_in_new

imageFigure 4 Dorstenia tenuis Bonpl. ex Bureau. A. Coenanthium in early development. B. Detail of coenanthium. C. Pistillate phase (arrow). D. Staminate and pistillate phase (arrow). E. Detail of anthers. F. Bracts at the margin (arrow). G. Fruit development (arrow). H. Mature achene (arrow). Scale bars: A, E = 0,5 cm; C-D, G-H = 1 cm; B, F = 0,2 mm. open_in_new

imageFigure 5 Dorstenia brasiliensis Lam. A. Habit. B. Prostrate leaves. C. Coenanthium, outside of receptacle. D. Lamina of leave, ovate. E. Cordate base of leaf blade. F. Adaxial surface of leave. G. Abaxial surface of leave. H. Rhizome. Scale bars: A and B = 10 cm; C-D, H = 2 cm; E = 1 cm; F and G = 1 mm. Photos B and D: S. Bordignon. open_in_new

imageFigure 6 Dorstenia brasiliensis Lam. A. Coenanthium, bract rows (arrow). B. Pistillate phase, before fertilization (arrow). C. Staminate phase (arrow). D. Mature stamens (arrow). E. Detail of anthesis (arrow). F. Pistillate phase, after fertilization (arrow). G. Fruit development. H. Mature achenes. Photo H: S. Bordignon. Scale bars: A-F, H = 1 cm; G = 2 cm. open_in_new

imageFigure 7 Morphological variations in coenanthia of Dorstenia brasiliensis, sampled in Rio Grande do Sul, Brazil. Scale bars: A, C, D-H = 2 cm; B = 1 cm. Photos G and H: S. Bordignon. open_in_new

imageFigure 8 Distribution map for Dorstenia species native to Rio Grande do Sul, Southern Brazil. open_in_new

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