Phylogenetic Relationships in <i>Eleocharis</i> (Cyperaceae): C<sub>4</sub> Photosynthesis Origins and Patterns of Diversification in the Spikerushes

Roalson, Eric H.; Hinchliff, Cody E.; Trevisan, Rafael; Silva, Carlos R. M. da

doi:10.1600/036364410791638270

Cited by 46 publications

(32 citation statements)

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“…Herein, we showed the multiple origins of Kranz anatomy in Cyperaceae in different phylogenetic groups, confirming the results of Soros and Bruhl (2000), Muasya et al (2002), Ghamkhar et al (2007, Thomas et al (2008) and Roalson et al (2010). Thus, this study represents adaptive convergence, as phylogenetic relationships are not reflected.…”

Section: Discussionsupporting

confidence: 90%

“…In subsequent studies using molecular markers, five potential appearances of Kranz anatomy were reported: two types in Eleocharideae and one type in each of the remaining Kranz tribes (Besnard et al 2009). Phylogenetic studies of Abildgaardieae (Ghamkhar et al 2007) and Eleocharideae (Roalson et al 2010) indicated multiple origins of C 4 photosynthesis.…”

Section: Introductionmentioning

confidence: 99%

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Occurrence and evolutionary inferences about Kranz anatomy in Cyperaceae (Poales)

Martins

Alves

Scatena

2015

An. Acad. Bras. Ciênc.

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Cyperaceae is an angiosperm family with the greatest diversity of species with Kranz anatomy. Four different types of Kranz anatomy (chlorocyperoid, eleocharoid, fimbristyloid and rhynchosporoid) have been described for this angiosperm family, and the occurrence and structural characteristics of these types are important to trace evolutionary hypotheses. The purpose of this study was to examine the available data on Cyperaceae Kranz anatomy, emphasizing taxonomy, geographic distribution, habitat and anatomy, to infer the potential origin of the Kranz anatomy in this family. The results showed that the four types of Kranz anatomy (associated with C 4 photosynthesis) in Cyperaceae emerged numerous times in unrelated phylogenetic groups. However, the convergence of these anatomical types, except rhynchosporoid, was observed in certain groups. Thus, the diverse origin of these species might result from different environmental pressures that promote photorespiration. Greater variation in occurrence of Kranz anatomy and anatomical types was observed in Eleocharis, whose emergence of the C 4 pathway was recent compared with other genera in the family, and the species of this genus are located in aquatic environments.

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Section: Discussionsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Occurrence and evolutionary inferences about Kranz anatomy in Cyperaceae (Poales)

Martins

Alves

Scatena

2015

An. Acad. Bras. Ciênc.

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“…Hinchliff et al (2010); Roalson and Friar (2000); Roalson et al (2010); Svenson (1929Svenson ( , 1939 Stoloniferous perennial, (1-)4-40(-50) cm tall; rhizomes horizontal to ascending, 0.6-1.2 mm thick. Culms caespitose or spaced singly along the rhizome, erect to ascending, subcompressed, 0.4-1 mm wide, prominently ribbed.…”

Section: Figurementioning

confidence: 99%

Flora of Guaramacal (Venezuela): Monocotyledons

Dorr¹

2014

Smithsonian Contributions to Botany

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Smithsonian Institution Scholarly PressSmithsonian Institution Scholarly Press s m i t h s o n i a n c o n t r i b u t i o n s t o b o t a n y • n u m b e r 1 0 0 Smithsonian Institution Scholarly Press Smithsonian Institution Scholarly Press Flora of Guaramacal (Venezuela): Monocotyledons L. J. Dorr SERIES PUBLICATIONS OF THE SMITHSONIAN INSTITUTIONEmphasis upon publication as a means of "diffusing knowledge" was expressed by the first Secretary of the Smithsonian. In his formal plan for the Institution, Joseph Henry outlined a program that included the following statement: "It is proposed to publish a series of reports, giving an account of the new discoveries in science, and of the changes made from year to year in all branches of knowledge." This theme of basic research has been adhered to through the years by thousands of titles issued in series publications under the Smithsonian imprint, commencing with Smithsonian Contributions to Knowledge in 1848 and continuing with the following active series: In these series, the Institution publishes small papers and full-scale monographs that report on the research and collections of its various museums and bureaus. The Smithsonian Contributions Series are distributed via mailing lists to libraries, universities, and similar institutions throughout the world.Manuscripts submitted for series publication are received by the Smithsonian Institution Scholarly Press from authors with direct affiliation with the various Smithsonian museums or bureaus and are subject to peer review and review for compliance with manuscript preparation guidelines. General requirements for manuscript preparation are on the inside back cover of printed volumes. For detailed submissions requirements and to review the "Manuscript Preparation and Style Guide for Authors," visit the Submissions page at www.scholarlypress.si.edu. s m i t h s o n i a n c o n t r i b u t i o n s t o b o t a n y • n u m b e r 1 0 0 Includes bibliographical references and index.

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“…The species of the Eleocharis genus occur in environments with moist or flooded soil, and the plants may be partially or totally submerged (Trevisan & Boldrini 2008). These plants are characterized by a leaf lamina reduced to a tubular sheath that is located in the base of the scape, which is the principal photosynthetic organ Roalson et al 2010).…”

Section: Introductionmentioning

confidence: 99%

Anatomical variations in scapes of Eleocharis minima Kunth (Cyperaceae, Poales) - amphibian and Kranz species

Martins

Scatena

2015

Rodriguésia

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In Cyperaceae about 1/3 of the species have Kranz anatomy and some species of Eleocharis can either present Kranz anatomy or not according to the environmental conditions, whether terrestrial (emerged) or aquatic (partly or fully submerged). Eleocharis minima has emerged and submerged scapes in the same individual. To identify the possible differences and their correlation with the environment, the anatomy of these scapes was investigated. The emerged scape is quadrangular e has four vascular bundles, and the submerged is triangular with three bundles. Both scapes (emerged and submerged) show non-Kranz anatomy in the basal region and Kranz anatomy of the eleocharoid type in the median region. In the apical region of submerged scapes occur Kranz anatomy of eleocharoid types, but in this same region of the emerged scape was observed variations in the continuity of the inner bundle sheath and may be interpreted as eleocharoid or chlorocyperoid types. The plasticity of the Kranz anatomy in Eleocharis minima and in other species of the genus is probably related to the amphibious habit. Therefore, the use of characters related to Kranz anatomy in Eleocharis in phylogenetic and evolutionary approaches should be restricted and carefully analyzed in view of its plasticity.

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Phylogenetic Relationships in Eleocharis (Cyperaceae): C₄ Photosynthesis Origins and Patterns of Diversification in the Spikerushes

Cited by 46 publications

References 59 publications

Occurrence and evolutionary inferences about Kranz anatomy in Cyperaceae (Poales)

Occurrence and evolutionary inferences about Kranz anatomy in Cyperaceae (Poales)

Flora of Guaramacal (Venezuela): Monocotyledons

Anatomical variations in scapes of Eleocharis minima Kunth (Cyperaceae, Poales) - amphibian and Kranz species

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Phylogenetic Relationships in Eleocharis (Cyperaceae): C4 Photosynthesis Origins and Patterns of Diversification in the Spikerushes

Cited by 46 publications

References 59 publications

Occurrence and evolutionary inferences about Kranz anatomy in Cyperaceae (Poales)

Occurrence and evolutionary inferences about Kranz anatomy in Cyperaceae (Poales)

Flora of Guaramacal (Venezuela): Monocotyledons

Anatomical variations in scapes of Eleocharis minima Kunth (Cyperaceae, Poales) - amphibian and Kranz species

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Phylogenetic Relationships in Eleocharis (Cyperaceae): C₄ Photosynthesis Origins and Patterns of Diversification in the Spikerushes