Results 41 to 50 of about 257 (133)

Anatomía de la madera de algunas especies del género Mimosa (Leguminosae)

open access: yesBotan‪ical Sciences, 1990
Se describen las características macroscópicas y microscópicas del xilema secundario de especies arbóreas de la serie Xantiae del género Mimosa: M. lactiflua con 3 variedades: var. lactiflua, var. psilocarpa y var. goldmanii, M.
Teresa Chehaibar, Rosaura Grether
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

ANATOMÍA DEL XILEMA SECUNDARIO EN SEIS ESPECIES DE FICUS L. (MORACEAE) EN LA CIUDAD DE MÉRIDA, VENEZUELA [PDF]

open access: yes, 2017
  Se realizó el estudio anatómico del xilema secundario de seis especies de Ficus Äi0L. (Moraceae) presentes en la ciudad de Mérida (Venezuela): F. benjaminaÄi0, F. elasticaÄi0, F. insipidaÄi0, F.
PARRA V., John E.
core  

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

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

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

Anatomia e aspectos filogeneticos do xilema secundario de 10 especies de Annonaceae do Estado de Santa Catarina [PDF]

open access: yes, 1982
O presente trabalho engloba o estudo anatômico e os aspectos de importância filogenética do xilema secundário de 10 espécies de Annonaceae, com ocorrência natural no Estado de Santa Catarina.
Botosso, Paulo Cesar
core  

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

ARF6 integrates auxin and gibberellin signaling to promote stone cell lignification in pear via the HB49‐MYB169 module

open access: yesNew Phytologist, Volume 250, Issue 6, Page 3747-3768, June 2026.
Summary Stone cells originate from secondary cell wall thickening and contain abundant lignin. Their excessive accumulation compromises pear fruit quality, yet the endogenous hormonal mechanisms governing stone cell formation remain unclear. Here, co‐expression network analysis using transcriptome data – the flesh of 206 sand pear accessions sampled at
Yanfei Shan   +10 more
wiley   +1 more source

Morfoanatomia de Raulinoa echinata R.S. Cowan (Rutaceae), espécie endêmica da vegetação ciliar do rio Itajaí-açú, SC, Brasil [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Biologia Vegetal, Florianópolis, 2009As matas ciliares ocupam as margens dos rios desempenhando funções fundamentais para a ...
Darosci, Adriano Antonio
core  

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