Results 61 to 70 of about 19,360 (209)

A new species of Amphitecna (Bignoniaceae) endemic to the mountain karst forests of southern Mexico

open access: yesNordic Journal of Botany, Volume 2026, Issue 2, February 2026.
Amphitecna brevicalyx (Bignoniaceae), a new tree species endemic to Mexico is described and illustrated. Its cauliflorous inflorescences, featuring a single flower per shoot and funnelform corollas without a transverse fold in the throat, place it within the Amphitecna macrophylla group.
Leopoldo Hurtado‐Reveles   +1 more
wiley   +1 more source

Two new species of Handroanthus Mattos (Bignoniaceae) from the state of Bahia, Brazil Duas novas espécies de Handroanthus Mattos (Bignoniaceae) para o estado da Bahia, Brasil

open access: yesActa Botânica Brasílica, 2012
Two new species of Handroanthus Mattos (Bignoniaceae), endemic to Semideciduous Seasonal Forest of Bahia, are here described as H. diamantinensis and H. parviflorus.
Fabio da Silva do Espírito Santo   +2 more
doaj   +1 more source

Flora of polliniferous importance for Apis mellifera (L.) in the region of Viçosa, MG [PDF]

open access: yes, 2011
Procurou-se conhecer a flora de importância polinífera para Apis mellifera (L.) na região de Viçosa, MG, em período de entressafra de mel, entre agosto e dezembro de 2005. O experimento foi realizado em dois apiários distintos, cada um com cinco colmeias.
LUZ, Cynthia Fernandes Pinto da   +3 more
core   +4 more sources

Pollination and plant reproduction in the Cerrado, the world's most biodiverse savanna

open access: yesBiological Reviews, Volume 101, Issue 1, Page 74-105, February 2026.
ABSTRACT The Brazilian Cerrado is a continental‐wide biodiversity hotspot and the most species‐rich savanna ecosystem in the world. The main aspect characterising this biodiversity is that the landscape is arranged as an intricate mosaic of different plant formations, including grasslands, savannas, and forests, each harbouring distinct but ...
João C. F. Cardoso   +6 more
wiley   +1 more source

Bignoniaceae adventicias en la Argentina: primera cita de Podranea ricasoliana y nuevos registros de Campsis radicans Bignoniaceae adventitious in Argentina: first reference to Podranea ricasoliana, and new records of Campsis radicans

open access: yesRevista del Museo Argentino de Ciencias Naturales, 2012
Esta contribución incluye la primera cita de Podranea ricasoliana y nuevos registros de Campsis radicans (Bignoniaceae) para la flora adventicia argentina.
Julio A Hurrell   +3 more
doaj  

Óleos essenciais da Amazônia VII. [PDF]

open access: yesActa Amazonica, 1981
Resumo São descritos, neste trabalho, os principais constituintes dos óleos essenciais de algumas espécies amazônicas pertencentes às famílias Annonaceae, Bignoniaceae, Burseraceae, Compositae, Euphorbiaceae, Labiatae, Lauraceae, Leguminosae ...
Otto R. Gottlieb   +7 more
doaj   +1 more source

Host Status of Brazilian Native Tree Species to Root‐Knot Nematodes

open access: yesForest Pathology, Volume 56, Issue 1, February 2026.
ABSTRACT Root‐knot nematodes (RKN, Meloidogyne spp.) are among the most important plant pathogenic organisms, causing significant damage, with a wide geographical distribution and being difficult to control. The ability of these nematodes to parasitize native trees from Brazilian biomes is little understood.
Ismail Teodoro de Souza Júnior   +6 more
wiley   +1 more source

Implicações químicas na sistemática e filogenia de Bignoniaceae

open access: yesQuímica Nova, 2012
Our solemn homage to the great Master Otto R. Gottlieb who knew how to teach the mystery of evolutionary relationships between chemistry and its natural sources.
Franciane Auxiliadora Cipriani   +3 more
doaj   +1 more source

Phytochemical Screening and Antibacterial Activity of Leaves Extract Balangla (Litsea cubeba (Lour) Pers.) from Malinau, East Borneo [PDF]

open access: yes, 2015
Balangla (Litsea cubeba) plant is used as traditional medicine by Dayak Kenyah tribe in East Kalimantan. It contains active compounds that are efficient to treat many human diseases and believed to have an antibacterial activity. The purposes of
Manurung, Hetty   +2 more
core   +1 more source

Water stress and temperature on germination and vigor of Handroanthus impetiginosus (Mart. ex DC)

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental
Water availability and temperature are among the main abiotic factors that influence seed germination and vigor, since they act directly on biochemical and physiological processes, which result in the production of the primary root. The objective of this
Paulo C. S. Santos   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy