A Checklist of the Brazilian Senecioneae (Compositae)

Hind, D. J. N.

doi:10.2307/4117934

Cited by 41 publications

(63 citation statements)

References 4 publications

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Mentioning

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“…(Cabrera & Klein 1975). Ocorre em todos os estados das regiões sul e sudeste do Brasil (Hind 1993), além da Bahia (Teles & Stehmann 2008). Na Serra do Cipó P. desiderabilis pode ser encontrada em bordas de Capões de Mata.…”

Section: Alaranjadas a Avermelhadas)unclassified

“…Senecioneae é a maior tribo em número de espécies entre as Asteraceae, com cerca de 3500 espécies agrupadas em 150 gêneros (Nordestam 2007), sendo que aproximadamente um terço destas ocorre no Novo Mundo (Hind 1993). As espécies de Senecioneae são praticamente cosmopolitas, com exceção dos pólos, mas concentram-se predominante na América do Sul e Central, África do Sul e tropical, além da porção central e oriental da Ásia (Bremer 1994).…”

unclassified

“…No Brasil são encontradas apenas duas espécies que possuem distribuição pantropical: Emilia fosbergii Nicolson e E. sonchifolia (L.) DC., (Hind 1993). Na Serra do Cipó está representado apenas por uma espécie.…”

unclassified

“…Belcher (1956) distinguiu três variedades, baseando-se no comprimento das bractéolas do calículo e comprimento das cipselas. Hind (1993) citou para o Brasil a ocorrência apenas de E. hieracifolius (L.) Raf. ex DC.…”

unclassified

“…Bibliografia básica: Baker (1884), Belcher (1956), Cabrera (1957), Cabrera & Klein (1975), Robinson & Cuatrecasas (1977), Jeffrey (1992), Hind (1993), Hind (1999), Nordenstam (2007), Teles (2008), Nordenstam et al (2009 Ervas eretas, anuais. Caule simples.…”

mentioning

confidence: 99%

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Flora da Serra do Cipó, Minas Gerais: Asteraceae - Senecioneae

Teles

Stehmann

2011

Bol. bot.

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-(Flora of the Serra do Cipó, Minas Gerais: Asteraceae -Senecioneae). The study of the tribe Senecioneae (Asteraceae) is part of the project "Flora of the Serra do Cipó, Minas Gerais, Brazil". In that area the tribe is represented by the following genera, with their respective number of species: Emilia (1), Erechtites (1), Hoehneophytum (1), Pentacalia (1), Pseudogynoxys (1) and Senecio (4). Key to the genera and species, descriptions, illustrations, as well as comments on the geographic distribution, habitats, phenology and morphological variability of the species are presented.

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Section: Alaranjadas a Avermelhadas)unclassified

unclassified

mentioning

confidence: 99%

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Flora da Serra do Cipó, Minas Gerais: Asteraceae - Senecioneae

Teles

Stehmann

2011

Bol. bot.

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New circumscription of the genus Gamochaeta (Asteraceae, Gnaphalieae) inferred from nuclear and plastid DNA sequences

et al. 2016

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Gamochaeta (tribe Gnaphalieae, Asteraceae) is composed of ca. 60 species primarily distributed in tropical and subtropical America. Within the tribe Gnaphalieae, the genus is characterized by capitula arranged in spikes or head-like clusters, few hermaphroditic central florets, truncate style branches with apical sweeping trichomes, pappus bristles connate at the base into a ring falling as a unit, and achenes with globose twin trichomes. Previous molecular phylogenetic studies have suggested the paraphyly of the genus, but have not provided a basis for redefining generic limits due to incomplete taxon sampling. To address this problem, DNA sequences from the plastid (trnL-F) and nuclear (ETS and ITS) genomes were analyzed from a broad taxon sample representing the full range of morphological variation known in the genus. Our results affirm that Gamochaeta is paraphyletic as presently circumscribed. Two clades can be recognized: one clade that includes the majority of the species currently assigned to Gamochaeta and a second clade that includes Gamochaetopsis, Stuckertiella and seven species of Gamochaeta. We present here a new circumscription of Gamochaeta, including two new combinations, Gamochaeta alpina and Gamochaeta peregrina, and the resurrection of Gamochaeta capitata. Our results also show Omalotheca supina, O. norvegica and O. sylvatica, which were placed by some authors in Gamochaeta or in Gnaphalium, form a monophyletic group distantly related to both genera.

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Senecio albus, a new species of Senecio sect. Adamantina (Senecioneae – Asteraceae) with an emendment to the section

2009

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Senecio albus J. N. Nakaj. & A. M. Teles, a new species of Senecio (Senecioneae -Asteraceae), is described from the National Park of Serra da Canastra, Minas Gerais, Brazil. The new species shares discoid capitula with S. gertii Zardini and is assigned to sect. Adamantina. This character is not in the circumscription for the sect. Adamantina and thus the description of the section is emended accordingly. A key to species of Senecio sect. Adamantina is provided.

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A Checklist of the Brazilian Senecioneae (Compositae)

Cited by 41 publications

References 4 publications

Flora da Serra do Cipó, Minas Gerais: Asteraceae - Senecioneae

Flora da Serra do Cipó, Minas Gerais: Asteraceae - Senecioneae

New circumscription of the genus Gamochaeta (Asteraceae, Gnaphalieae) inferred from nuclear and plastid DNA sequences

Senecio albus, a new species of Senecio sect. Adamantina (Senecioneae – Asteraceae) with an emendment to the section

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