Results 101 to 110 of about 4,090 (192)

Nota sobre la presencia de Phytolacca rugosa (Phytolaccaceae) en la flora del valle de México

open access: yesActa Botanica Mexicana, 2003
Se registra para la flora del Valle de México a Phytolacca rugosa A. Braun & C. D. Bouché. La especie se ha encontrado en bosque de Quercus perturbado en Cañadas de Santa Fe, en las cercanías de San Lorenzo Tepeaculco, Delegación Cuajimalpa de Morelos y ...
Ramiro Cruz Dur\u00E1n   +2 more
doaj  

Subchronic and acute preclinic toxicity and some pharmacological effects of the water extract from leaves of Petiveria alliacea (Phytolaccaceae

open access: yesRevista de Biología Tropical, 2006
We tested the effects of the aqueous extract of Petiveria alliacea leaves on acute and sub-chronic toxicity, hematocrit and blood glucose level and intestinal motility of male albino NGP mice of 20 to 25 g mean weight.
Mildred García-González   +3 more
doaj  

Collection of Pollen Grains by Centris (Hemisiella) tarsata Smith (Apidae: Centridini): Is C. tarsata an Oligolectic or Polylectic Species? [PDF]

open access: yes
Lia Goncalves, Claudia Ines da Silva, and Maria Luisa Tunes Buschini (2012) Collection of pollen grains by Centris (Hemisiella) tarsata Smith (Apidae: Centridini): Is C. tarsata an oligolectic or polylectic species?
da Silva, Claudia Ines   +2 more
core  

A survey of selected coastal vegetation communities of Florida [PDF]

open access: yes, 1977
A survey of coastal vegetation around Florida was conducted during 1973 and 1974. Seventeen sites were selected and sampled using the transect method to determine species occurrence, relative densities, and habitat development and structure.
Carlton, Jedfrey M.
core  

Exotic naturalized flora of continental Portugal – A reassessment [PDF]

open access: yes
Six years after our last study on the exotic naturalized flora of continental Portugal, we present a reassessment. In 1999, we have considered the existence of 500 exotic species of vascular plants (invasive or more or less naturalized).
Domingues de Almeida, João   +1 more
core   +1 more source

Progress and problems in the assessment of flower morphology in higher-level systematics [PDF]

open access: yes, 2018
Floral features used for characterization of higher-level angiosperm taxa (families, orders, and above) are assessed following a comparison of earlier (precladistic/premolecular) and current classifications.
Endress, Peter, Matthews, Merran
core  

First steps towards a floral structural characterization of the major rosid subclades [PDF]

open access: yes, 2018
A survey of our own comparative studies on several larger clades of rosids and over 1400 original publications on rosid flowers shows that floral structural features support to various degrees the supraordinal relationships in rosids proposed by ...
Endress, P., Matthews, M.
core  

Efecto de la Petiveria alliacea en el tratamiento de alergias respiratorias en Rattus norvegicus cepa Wistar [PDF]

open access: yes, 2016
La Petiveria alliacea es una planta utilizada en diferentes estudios, en donde ha sido efectiva para las patologías respiratorias en el humano, obteniendo resultados satisfactorios.
Quiceno Gallego, Diana Carolina
core  

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