Results 101 to 110 of about 47,134 (295)

Sedum zhenghaianum (Crassulaceae), a new species from Zhejiang and Jiangxi, East China

open access: yesNordic Journal of Botany, EarlyView.
In this paper, Sedum zhenghaianum sp. nov. is described as a new species based on morphological and molecular analyses, and its taxonomic relationships are discussed. Morphological analysis indicates that S. zhenghaianum should be classified in the genus Sedum sect. Sedum and is distinct from the related species S. tosaense in morphology, e.g.
Shi‐Qi She   +6 more
wiley   +1 more source

Estimation of true dates of various flowering stages at a centennial scale by applying a Bayesian statistical state space model.

open access: yesPLoS ONE
Evaluation of long-term detailed cherry flowering phenology is required for a deep understanding of the sensitivity of spring phenology to climate change and its effect on cultural ecosystem services.
Nagai Shin   +4 more
doaj   +1 more source

Parakaempferia alba sp. nov. (Zingiberaceae), a new species from Arunachal Pradesh, India

open access: yesNordic Journal of Botany, EarlyView.
Parakaempferia alba, a new species of Zingiberaceae from East Siang district of Arunachal Pradesh, India is herein described. A detailed taxonomic description, diagnosis, color photoplate, distribution map, notes on habitat and ecology, conservation status, and a table of comparisons with the closely related species Parakaempferai synantha Rao & Verma ...
Tatum Mibang   +3 more
wiley   +1 more source

Natural variation in abiotic stress responsive gene expression and local adaptation to climate in Arabidopsis thaliana. [PDF]

open access: yes, 2014
Gene expression varies widely in natural populations, yet the proximate and ultimate causes of this variation are poorly known. Understanding how variation in gene expression affects abiotic stress tolerance, fitness, and adaptation is central to the ...
Des Marais, David L   +7 more
core   +2 more sources

Petrocodon gracilis (Gesneriaceae) is a synonym of P. mirus based on morphological and molecular data

open access: yesNordic Journal of Botany, EarlyView.
Petrocodon gracilis T.Ding & B.Pan and P. mirus X.Z.Shi, J.X.Fu & Li H.Yang are two recently described species exhibiting nearly identical morphology. To determine whether they represent the same taxon, we compared their type localities, type materials, and morphological features and conducted phylogenetic analyses using the nuclear internal ...
Nan Li   +3 more
wiley   +1 more source

Typification and rediscovery of Phialacanthus griffithii Benth. & Hook.f. (Acanthaceae) in Arunachal Pradesh, India

open access: yesNordic Journal of Botany, EarlyView.
Phialacanthus griffithii Benth. & Hook.f. (Acanthaceae), a species long thought unrecorded, was rediscovered in 2023 after a 160‐year gap in the Upper Dibang Valley, Eastern Himalaya, Arunachal Pradesh. The study presents a comprehensive taxonomic account including lectotypification, morphological description, phenology, habitat ecology, distribution ...
Umeshkumar L. Tiwari
wiley   +1 more source

Phenology of Oviposition of \u3ci\u3eDasyneura Oxycoccana\u3c/i\u3e (Diptera: Cecidomyiidae) in Relation to Cranberry Plant Growth and Flowering [PDF]

open access: yes, 2017
Eggs of cranberry tipworm, Dasyneura oxycoccana (Diptera: Cecidomyiidae) were sampled in a Wisconsin cranberry marsh from 1990 through 1992. Oviposition began in May within one week after the first cranberry shoots elongated more than 5 mm.
Cockfield, Stephen D, Mahr, Daniel L
core   +2 more sources

Unraveling cryptic lineages in Jatropha nana: phylogenetic evidence supports species status for J. benghalensis (Euphorbiaceae)

open access: yesNordic Journal of Botany, EarlyView.
The taxonomic framework of the genus Jatropha (Euphorbiaceae) is well established, but its geophytic species present significant classification challenges. These difficulties arise from species complexes, cryptic traits, and high environmental and phenotypic variability.
Seema   +2 more
wiley   +1 more source

Sources and modes of action of invasive knotweed allelopathy : the effects of leaf litter and trained soil on the germination and growth of native plants [PDF]

open access: yes, 2012
Invasive knotweeds, native to Eastern Asia, are among the most dominant plant invaders of European and North American temperate ecosystems. Recent studies indicate that one cause of this dominance might be allelopathy, but the possible sources and modes ...
Aguilera   +45 more
core   +2 more sources

Two new records for the flora of Paraguay: Stemodia diplohyptoides and S. lobelioides (Plantaginaceae:Gratioleae)

open access: yesNordic Journal of Botany, EarlyView.
Stemodia diplohyptoides M.M.Sosa & Dematt. and S. lobelioides Lehm. (Gratioleae, Plantaginaceae) are reported for the first time in Paraguay, found in Alto Paraná and Presidente Hayes departments, respectively. These new records extend the known geographical range of both species, representing the northern records to date, S.
Y. Carlés Bechara   +4 more
wiley   +1 more source

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