Results 81 to 90 of about 5,958 (194)

El género Polygala (Polygalaceae) en el Mediterráneo Occidental

Collectanea Botanica, 1988
Polygala es un género con cerca de 720 especies (400 americanas, 206 africanas, 32 europeas, 70 asiáticas y 12 australianas ) distribuidas por casi lodo el globo excepto Polinesia, Nueva Zelanda y las regiones polares.
Jorge Paiva
doaj   +1 more source

A Melissopalynological map of the south and southwest of the Buenos Aires province, Argentina [PDF]

, 2007
El objetivo de este trabajo fue elaborar un mapa melitopalinológico del sur y sudoeste de la provincia de Buenos Aires, Argentina, con datos de análisis polínicos de 127 muestras de miel provenientes de las eco-regiones Pampa, Distrito del Caldén en el ...
Andrada, Ana C., Aramayo, E., Gil, M., Lamberto, S., Valle, A.   +4 more
core   +2 more sources

Xanthones from the Roots of Moutabea guianensis Aubl.

Molecules, 2014
The phytochemical investigation of Moutabea guianensis roots led to the isolation of five polyoxygenated xanthones, including two new ones named moutabeone B (1,8-dihydroxy-4,5,6,7-tetramethoxyxanthone) and moutabeone C (1-hydroxy-4,5,6,7,8 ...
Haroldo da S. Ripardo Filho, Luidi C. Pacheco, Edinaldo da S. Andrade, Marivaldo José C. Correa, Railda Neyva M. Araújo, Giselle Maria S. P. Guilhon, Joyce Kelly R. da Silva, Lourivaldo S. Santos   +7 more
doaj   +1 more source

Bioensaios de atividade alelopática dos esteroides espinasterol, espinasterona e glicopiranosil espinasterol. [PDF]

, 2015
Três esteroides (espinasterol, espinasterona e glicopiranosil espinasterol) foram isolados do caule de Moutabea guianensis, planta de origem amazônica.
ARRUDA, M. S. P., GUILHON, G. M. S. P., PACHECO, L. C., RIPARDO FILHO, H. S., SANTOS, L. S., SOUZA FILHO, A. P. da S.   +5 more
core  

Bioensaios de atividade alelopática dos esteroides espinasterol, espinasterona e glicopiranosil espinasterol Bioassays of allelopathic activity of the steroids spinasterol, spinasterone, and spinasterol glicopyranosyl

Planta Daninha, 2012
Três esteroides (espinasterol, espinasterona e glicopiranosil espinasterol) foram isolados do caule de Moutabea guianensis, planta de origem amazônica.
H.S. Ripardo Filho, L.C. Pacheco, A.P.S. Souza Filho, G.M.S.P. Guilhon, M.S.P. Arruda, L.S. Santos   +5 more
doaj   +1 more source

Estudios citológicos en tres especies del género Monnina

Lilloa, 2007
Lozzia, María E.; Aldo R. Andrada & María E. Cristóbal. 2007. “Estudios citológicos en tres especies del género Monnina”. Lilloa 44 (1-2). El género Monnina es americano y en Argentina cuenta con 11 especies.
María E. Lozzia, Aldo R. Andrada, María E. Cristóbal   +2 more
doaj  

Validation of an hplc method for the determination of 1,7-dihydroxy-2,3-methylenedioxyxanthone in extracts obtained from Polygala cyparissias A. St. Hil. & Moq. (Polygalaceae) and evaluation of the influence of its content on the gastroprotective activity

Química Nova, 2014
Polygala cyparissias is a plant widespread in Southern Latin America. Recently, we demonstrated the gastroprotective activity of the extract, as well as for one of the isolated metabolites-1,7-dihydroxy-2,3-methylenedioxyxanthone (MDX).
Luiz Carlos Klein-Júnior, Sérgio Faloni de Andrade, Valdir Cechinel-Filho, Tania Mari Bellé Bresolin   +3 more
doaj   +1 more source

Effect of Hydrologic Restoration on the Habitat of The Cape Sable Seaside Sparrow, Annual Report of 2002-2003 [PDF]

, 2003
After developing field sampling protocols and making a series of consultations with investigators involved in research in CSSS habitat, we determined that vegetationhydrology interactions within this landscape are best sampled at a combination of scales.
Cooley, Hillary, Jones, David T., Ross, Michael S., Ruiz, Pablo L., Sah, Jay P., Schaeffer, Curt, Snyder, James R., Travieso, Rafael   +7 more
core  

Coordination of Foliar and Wood Anatomical Traits Contributes to Tropical Tree Distributions and Productivity along the Malay-Thai Peninsula [PDF]

, 2009
Drought is a critical factor in plant species distributions. Much research points to its relevance even in moist tropical regions. Recent studies have begun to elucidate mechanisms underlying the distributions of tropical tree species with respect to ...
Baltzer, Jennifer L., Bunyavejchewin, Sarayudh, Davies, Stuart J., Grégoire, Dorothea M., Noor, N. Supardi M.   +4 more
core   +2 more sources

A re-evaluation of Nylandtia (Polygalaceae)

South African Journal of Botany, 1991
A re-evaluation of the monotypic genus Nylandtia Dumort. is presented in which two varieties, N. spinosa (L.) Dumort. var. spinosa and var. scoparia (Eckl. & Zeyh.) Johnson & Weitz, are recognized. Descriptions, synonymy, distribution data, and a key to the varieties are provided.
Johnson, C.T., Weitz, F.M.
openaire   +1 more source