Results 71 to 80 of about 24,266 (210)

The complete chloroplast genome of a medicinal resource plant (Rumex crispus)

open access: yesMitochondrial DNA. Part B. Resources, 2019
Rumex crispus has high medicinal value which belongs to the family Polygonaceae. We sequenced the complete chloroplast genome of R. crispus, which is 158,851 bp in length.
Wei Tan   +6 more
doaj   +1 more source

As espécies de Coccoloba P. Browne (Polygonaceae) da Amazônia brasileira The Species of Cocoloba P. Browne (Polygonaceae) from brasilian Amazonia

open access: yesActa Amazonica, 2004
O gênero Coccoloba está representado na Amazônia brasileira por 23 espécies: Coccoloba acuminata Kunth, C. arborescens (Vell.) R. A. Howard, C. ascendens Duss ex Lindau, C. brasiliensis Nees & Mart., C. charitostachya Standl., C. conduplicata Maguire, C.
Efigênia de Melo
doaj   +1 more source

Reynoutria japonica Houtt. (Polygonaceae) en la provincia de Castellón (España) [PDF]

open access: yes, 2015
En este artículo se cita por primera vez en la Comunidad Valenciana la presencia de la especie alóctona invasora Reynoutria japonica Houtt. (Polygonaceae), al tiempo que se comenta su distribución y datos morfológicos más útiles para su identificación ...
Vázquez Mora, Juan Ramón
core  

FAMILIA POLYGONACEAE

open access: yesFlora del Bajío y de Regiones Adyacentes, 2008
La familia Polygonaceae tiene distribución cosmopolita; es particularmente diversa en regiones de clima templado, aunque también se encuentra bien representada en los trópicos y subtrópicos. Está conformada por aproximadamente 43 géneros y 1100 especies. Para México se registran 17 y 142, respectivamente.
Carlos Castillejos Cruz, Eloy Solano
openaire   +1 more source

Optimizing seeding ratios of field pea–brown mustard intercrops in Atlantic Canada

open access: yesAgronomy Journal, Volume 118, Issue 2, March/April 2026.
Abstract Intercropping is a promising approach for ecological intensification that can enhance productivity and agroecosystem services. This study evaluated the agroecological performance of field pea (Pisum sativum) and brown mustard (Brassica juncea) intercropping across seeding ratios (0.5×, 1.0×, and 1.5× the recommended rates; 100 seeds m−2 ...
Qianwen Gong   +6 more
wiley   +1 more source

Characterization of the complete chloroplast genome of Rumex nepalensis (Polygonaceae)

open access: yesMitochondrial DNA. Part B. Resources, 2020
Rumex nepalensis (Polygonaceae) is a fairly common perennial herb of high altitudes. In this study, we determined the complete chloroplast genome (plastome) of R. nepalensis with genome-skimming method. The complete plastome of R.
Chun-Xia Wu, Cai-Cai Zhai, Shou-Jin Fan
doaj   +1 more source

Study of weeds and field plants of vegetable crops using the example of common potatoes [PDF]

open access: yesBIO Web of Conferences
This paper presents the results of a study showing that in an area with moldboard tillage there are 16 species of weeds belonging to the following families: Roaceae B., Polygonaceae J, Chenopodiaceae V., Amaranthaceae J., etc.
Mushinskiy Alexander   +4 more
doaj   +1 more source

Spatiotemporal Dynamics of Plant–Soil–Enzyme Interactions in Intertidal Wetlands

open access: yesEcology and Evolution, Volume 16, Issue 3, March 2026.
This study reveals that during the exposure period in the Shengjin Lake intertidal wetland, the temporal gradient serves as the primary driving force for changes in the plant–soil–enzyme system, followed by alkaline phosphatase activity, nitrate nitrogen, and pH.
Jiaxin Li   +6 more
wiley   +1 more source

Polygonaceae endémicas del Perú

open access: yesRevista Peruana de Biología, 2013
La familia Polygonaceae es reconocida en el Perú por presentar diez géneros y 73 especies (Brako & Zarucchi, 1993; Ulloa Ulloa et al., 2004), entre árboles, arbustos y hierbas, e incluso lianas.
Blanca León
doaj   +1 more source

Distribution of sex forms in the phanerogamic flora [PDF]

open access: yes, 2007
In the plant kingdom, particularly in the phanerogamic flora, hermaphroditism is by far the most common, yet the number of other sex forms is not negligible.
Yampolsky, Cecil, Yampolsky, Helene
core  

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