Results 81 to 90 of about 10,422 (247)
Mazus dabieshanensis sp. nov. (Mazaceae) from eastern China
Nordic Journal of Botany, EarlyView.Mazus dabieshanensis, a newly described species endemic to the Dabieshan Mountains in eastern China, is illustrated and described. Molecular phylogenetic analyses based on nuclear and chloroplast DNA sequences consistently demonstrate that this new species forms a stable clade with other Mazus species characterized by a pubescent ovary. Morphologically,
Rui Tong +3 more
wiley +1 more source
A new combination in Strophopappus (Asteraceae, Vernonieae, Lepidaploinae)
Nordic Journal of Botany, EarlyView.Revisions of herbarium collections reveal a new combination in Strophopappus (Asteraceae, Vernonieae, Lepidaploinae). Strophopappus comprises nine species occurring in South America, eight of which are endemic to Brazil. Currently, Vernonia riedeliana is treated as a synonym of Strophopappus bicolor.
Danielle Remor +2 more
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Pavonia fretensis sp. nov. (Malvaceae) from the Horn of Africa hotspot
Nordic Journal of Botany, EarlyView.The new species Pavonia fretensis is described, illustrated by photographs and mapped. It occurs in coastal localities on both sides of the Bab al Mandab Strait and is known from southern Yemen, Eritrea and northwestern Somalia. The species differs from Pavonia rotundifolia from eastern Ethiopia and northern and central Somalia by having stellate ...
Mats Thulin, Othman S. S. Al‐Hawshabi
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Nordic Journal of Botany, EarlyView.Portulaca (Portulacaceae) is a cosmopolitan genus with centers of diversity in Africa and South America. In Brazil, 22 species are recognized, most occurring in xerophytic environments of the Cerrado, particularly in Campos Rupestres. These rocky montane habitats, especially in northern Minas Gerais state, remain undercollected despite their high ...
Danilo Alvarenga Zavatin +7 more
wiley +1 more source
Historical data reveal earlier flowering under environmental change
Nordic Journal of Botany, EarlyView.Global temperatures have risen ~ 1.1°C since the 1800s and the mean annual air temperature in the Arctic has increased by nearly four times the global average. Temperature has a significant effect on fundamental life‐cycle events of flora and fauna. With temperatures increasing, Arctic plants are expected to shift their active periods accordingly, with
Elizabeth Stunz +2 more
wiley +1 more source
Nordic Journal of Botany, EarlyView.Sinningia pampeana is a new rupicolous species from the rocky outcrops of the Pampa biome in southern Brazil and Uruguay. Morphological analyses based on herbarium material, field observations, and detailed illustrations support its recognition as a distinct species from Sinningia sellovii.
Gabriel Emiliano Ferreira +4 more
wiley +1 more source
Life history stability under climate change: a wildflower at the northern edge of its range
Nordic Journal of Botany, EarlyView.Stabilities of life history traits for a widespread native perennial wildflower, Rudbeckia laciniata L., are described for five populations near the northern edge of its range in North America. Theory proposes that such populations experience variable levels of stress as suitable abiotic conditions shift north or south from year to year, which ...
Robert J. Lamb, Patricia A. MacKay
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A new old species of Tetracera (Dilleniaceae) from Espinhaço Range, Brazil
Nordic Journal of Botany, EarlyView.Tetracera is the only genus within Dilleniaceae with a pantropical distribution. During efforts for a taxonomic revision of the neotropical species, we identified incongruences between application of names and their taxonomic identities, based on protologue and type specimen analysis. Here we describe a new species for the genus bearing a single carpel
Michelly D. F. Araújo +3 more
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Two new species of Calea ser. Multiplinerviae (Asteraceae: Neurolaeneae) from Brazil
Nordic Journal of Botany, EarlyView.Detailed studies of specimens from Rondônia and Mato Grosso do Sul showed that two new species have been misidentified: Calea micropappa resembles Calea pilosa, but differs by leaf apex obtuse to acuminate (versus acute), paleae present (versus paleae absent), disc corolla lobes 1.2–1.3 mm long (versus 0.7–0.8 mm), and pappus scales 0.1–0.25 mm long ...
Vinícius Resende Bueno +2 more
wiley +1 more source
Ecology and EvolutionPhenological shifts due to changing climate are often highly species and context specific. Land‐use practices such as mowing or grazing directly affect the phenology of grassland species, but it is unclear if plants are similarly affected by climate ...
Carolin Plos +4 more
doaj +1 more source