Results 31 to 40 of about 114 (101)

Conserved symbiosis‐associated genes in the cycad Encephalartos natalensis suggest co‐option for cyanobacterial symbiosis

open access: yesNew Phytologist, Volume 251, Issue 4, Page 2168-2185, August 2026.
The heterocyst‐rich Encephalartos natalensis cyanobacterial zone in coralloid root suggests co‐option of conserved symbiosis‐associated genes. This figure was created in BioRender (BioRender.com/https://BioRender.com/n3qveqc). Summary Plant‐cyanobacterial symbioses have evolved independently at least four times across land plants, yet their underlying ...
Cassandra Schoeman   +6 more
wiley   +1 more source

Sommerxylon spiralosus from Upper Triassic in southernmost Paraná Basin (Brazil): a new taxon with taxacean affinity

open access: yesAnais da Academia Brasileira de Ciências, 2004
The anatoical description of silici?ed Gymnospermae woods from Upper Triassic sequences of southernmost Paraná Basin (Brazil) has allowed the identi?cation of a new taxon: Sommerxylon spiralosus n.gen. et n.sp.
Etiene F. Pires, Margot Guerra-Sommer
doaj   +1 more source

Características anatómicas de la madera de Bursera lancifolia (Schltdl.) Engl. con potencial dendrocronológico

open access: yesRevista Mexicana de Ciencias Forestales, 2018
Algunas especies arbóreas tropicales forman anillos de crecimiento marcados por fibras, bandas de parénquima marginal o terminal, o por el calibre de vasos de madera temprana.
Omar Durán Guerra   +4 more
doaj   +1 more source

Tree stem methane emissions are regulated by site‐level biogeochemistry over species identity in Amazon floodplain forests

open access: yesNew Phytologist, Volume 251, Issue 1, Page 179-190, July 2026.
Summary Tree stems in Amazonian floodplains emit substantial methane (CH4), yet controls on emission variability remain unclear. Emissions span orders of magnitude between várzea (nutrient‐rich) and igapó (nutrient‐poor) forests and among trees, suggesting controls beyond flooding.
Holly R. Blincow   +9 more
wiley   +1 more source

Shaping future forests: how can ecophysiology support climate‐smart forest management?

open access: yesNew Phytologist, Volume 250, Issue 5, Page 2778-2813, June 2026.
Summary Climate change, particularly the associated increase in extreme events and disturbances, threatens the numerous environmental, social, and economic benefits that forests provide, both locally and globally. Heat and drought pose significant risks to forest ecosystems; the anticipated future climate is expected to exacerbate this trend ...
Arthur Gessler   +18 more
wiley   +1 more source

Anatomia da madeira de duas espécies do gênero Heterothalamus Lessing (Asteraceae) nativas no Rio Grande do Sul [PDF]

open access: yesCiência Florestal, 2005
O presente trabalho descreve a anatomia da madeira de Heterothalamus alienus e Heterothalamus rupestris (Astereae – Asteraceae), como parte do estudo do xilema secundário do referido gênero.
Luciano Denardi   +3 more
doaj  

Caracterização anatômica e histoquímica de raízes e folhas de plântulas de Anacardium occidentale L. (Anacardiaceae)

open access: yesRevista Árvore, 2014
Anacardium occidentale L. (Anacardiaceae) é uma espécie típica do Cerrado do Brasil Central e possui valor socioeconômico. Objetivou-se caracterizar anatômica e histoquimicamente as raízes e folhas desta espécie em diferentes estádios iniciais de ...
Ana Luísa Lopes Ernesto Reis   +3 more
doaj   +1 more source

Da Vinci's mischief: xylem conduits in the stems of woody plants do not furcate

open access: yesNew Phytologist, Volume 250, Issue 5, Page 3001-3013, June 2026.
Summary The hydraulic architecture of plants is often modeled as a ‘furcating’ network, in which xylem conduits proliferate in number toward the stem apex, analogous to animal circulatory systems. Yet whether furcation actually occurs within woody stems remains untested, despite major implications for carbon costs and hydraulic efficiency.
Gilberto Alemán‐Sancheschúlz   +4 more
wiley   +1 more source

ANATOMIA DA MADEIRA E CASCA DO ESPINILHO, Acacia caven (Mol.) Mol. [PDF]

open access: yesCiência Florestal, 1992
São descritos os aspectos anatômicos da madeira e casca de Acacia cavem (Mol.) Mol. São apresentados dados quantitativos de 34 características do xilema secundário, bem como fotomicrografias das estruturas anatômicas da madeira e casca.
José Newton Cardoso Marchiori
doaj  

Can species adapt to drought using multiple strategies? Lessons from the California poppy

open access: yesNew Phytologist, Volume 250, Issue 5, Page 2918-2932, June 2026.
Summary Plants can escape drought by completing life cycles early, tolerate drought by increasing physiological limits, or avoid drought stress by obtaining or using water more efficiently. It remains unclear whether strategies vary within species across their distributional ranges due to trade‐offs, and whether species can exhibit plasticity in ...
Stuart T. Schwab   +7 more
wiley   +1 more source

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