Results 21 to 30 of about 2,412 (147)

Caracterização Anatômica Macroscópica de Madeiras Folhosas Comercializadas no Estado do Espírito Santo

open access: yesFloresta e Ambiente, 2023
RESUMO Para melhor identificação da madeira, é necessário fazer um estudo criterioso de sua estrutura anatômica, já que cada espécie possui estrutura anatômica única e diferente.
Rejane Costa Alves   +3 more
doaj   +1 more source

Eoguptioxylon antiqua nov. gen. et sp. (Pteridospermae) from the Upper Permian (La Antigua Formation), La Rioja province, Argentina [PDF]

open access: yes, 2007
Se describen fragmentos de maderas pteridospérmicas poliestélicas provenientes de la Formación La Antigua (Pérmico Superior) aflorante en la provincia de La Rioja.
Crisafulli, Alexandra María Cristina   +1 more
core  

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

Anatomía del leño y dendrologia del quebracho lagunero Aspidosperma triternatum (Apocynaceae)

open access: yesBoletín de la Sociedad Argentina de Botánica
El presente trabajo tiene como objetivos describir las características dendrológicas y la anatomía del xilema secundario de A. triternatum, N. Rojas Apocynaceae, árbol endémico del Chaco Húmedo de Argentina y Paraguay.
J. G. Moglia   +2 more
doaj   +1 more source

Morfoanatomia caulinar de seis espécies de Phoradendron Nutt. (Viscaceae)

open access: yesRevista de Biologia Neotropical, 2010
Neste estudo, foi realizada a análise morfoanatômica do caule de seis espécies de hemiparasitas (Phoradendron, Viscaceae) ocorrentes no município de Maringá, Paraná.
Greta Aline Dettke   +1 more
doaj   +1 more source

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

Ecoanatomía de los elementos de vaso de la madera de cinco especies del género Mimosa (Leguminosae-Mimosoideae)

open access: yesBotan‪ical Sciences, 2013
Mimosa es el género con mayor número de especies de Mimosoideae (Leguminosae) en México; se establecen desde el nivel del mar hasta 2,850 m de altitud.
Susana Adriana Montaño- Arias   +2 more
doaj   +1 more source

Constitutive and inducible oleoresin defenses share genetic architectures and mechanisms in Pinus taeda

open access: yesNew Phytologist, Volume 250, Issue 5, Page 2966-2987, June 2026.
Summary The oleoresin defense system of loblolly pine (Pinus taeda) protects trees from insects and pathogens and is an important source of renewable biofuels and chemicals, but the genetic basis of oleoresin production is poorly understood. We characterized the genetic architecture of oleoresin flow, resin canal number, stem wood terpene content, and ...
Mallory M. Morgan   +13 more
wiley   +1 more source

Cambial variant in stems of Ipomoea (Convolvulaceae) native from Argentine [PDF]

open access: yes, 2016
Ipomoea es un género diversificado y complejo, compuesto por herbáceas, lianas yenredaderas leñosas, y un pequeño grupo de arbustos y árboles. Llama la atención que todas las especies estudiadas anteriormente presentaron diferentes tipos de variante ...
Cosa, María Teresa   +2 more
core  

The interplay between hydraulic capacitance and stomatal regulation strategy affects soil–plant hydraulics and transpiration

open access: yesNew Phytologist, Volume 250, Issue 5, Page 2988-3000, June 2026.
Summary Plant water storage contributes to transpiration, but it is unclear how its relevance in supporting transpiration depends on the stringency of stomatal regulation. Here, we show the compounding effect of stomatal regulation and hydraulic capacitance on plant water use, by means of a soil–plant hydraulic model and measurements of leaf water ...
Stefano Martinetti   +3 more
wiley   +1 more source

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