Results 11 to 20 of about 6,999 (153)

Short storability of Caesalpinia echinata Lam. seeds as a consequence of oxidative processes

open access: yesHoehnea
The seed bank is one of the strategies for the preservation of endangered species, such as Caesalpinia echinata Lam. In this work we studied the changes in O2 consumption and CO2 release by seeds incubated at different temperatures and water contents ...
Edmir Vicente Lamarca   +1 more
doaj   +2 more sources

Karyotype diversity and 2C DNA content in species of the Caesalpinia group [PDF]

open access: yesBMC Genetics, 2018
Background The Leguminosae family is the third-largest family of angiosperms, and Caesalpinioideae is its second-largest subfamily. A great number of species (approximately 205) are found in the Caesalpinia group within this subfamily; together with ...
Polliana Silva Rodrigues   +4 more
doaj   +2 more sources

Pollen Morphology of Selected Endemic Eudicots From the FLORAS Botanical Garden, Southern Bahia, Brazil [PDF]

open access: yesMicroscopy Research and Technique, Volume 88, Issue 11, Page 2967-2976, November 2025.
This study describes the pollen morphology of twelve endemic species from the Atlantic Forest, revealing subtle morphopollinic variations. Diagnostic characters such as pollen shape, exine ornamentation, and amb type highlight the region's floristic diversity, providing valuable insights into the ecological and conservation significance of Brazil's ...
Agatha Carvalho Pinto   +6 more
wiley   +2 more sources

Germinação de sementes e formação de mudas de Caesalpinia echinata Lam. (Pau - Brasil): efeito de sombreamento Seed germination and seedling growth of Caesalpinia echinata Lam. (Brazilwood): shading effect

open access: yesRevista Árvore, 2005
Caesalpinia echinata Lam. (pau-brasil) é a árvore nacional do Brasil, possui grande potencial ornamental, estando atualmente em perigo de extinção devido à exploração extrativista.
Francismar Francisco Alves Aguiar   +6 more
doaj   +2 more sources

Plants and Other Materials Used for Dyeing in the Present Territory of Poland, Belarus and Ukraine according to Rostafiński’s Questionnaire from 1883 [PDF]

open access: yesPlants, 2023
Background: Traditional dyeing methods are practically forgotten in Poland. Józef Rostafiński included questions on the use of dyes in his ethnobotanical survey from 1883. Methods: 126 questionnaires contained information on dye plants.
Piotr Köhler   +2 more
doaj   +2 more sources

Differences in anatomy and potential hydraulic conductivity between root and stem of Caesalpinia echinata Lam. (Fabaceae)

open access: yesHoehnea
We investigated the root and stem wood of Caesalpinia echinata Lam. to test the hypothesis that there are anatomical and water conductivity differences between both organs.
Eduardo Luiz Longui   +2 more
doaj   +2 more sources

Germination, carbohydrate composition and vigor of cryopreserved Caesalpinia echinata seeds [PDF]

open access: yesBrazilian Archives of Biology and Technology, 2012
The present study investigated the germination and vigor of Caesalpinia echinata (Brazilwood) seeds stored at negative temperatures. Recently harvested seeds were cryopreserved at -18º or -196ºC and periodically evaluated for germination, seed vigor and ...
Rafael Fonsêca Zanotti   +6 more
doaj   +3 more sources

Structure of a fragment of Atlantic Rainforest in regeneration with occurrence of Caesalpinia echinata Lam. (brazil-wood) [PDF]

open access: yesBiotemas, 2012
This study aimed to evaluate the phytosociological structure of a remaining fragment of Atlantic Rainforest undergoing regeneration in the town of Aracruz-ES in a forest board with natural occurrence of Caesalpinia echinata Lam.
Liliane Baldan Zani   +3 more
doaj   +1 more source

Maturação de frutos de Caesalpinia echinata Lam., pau-brasil Maturation of fruits of Caesalpinia echinata Lam. (Brasil wood) [PDF]

open access: yesRevista Árvore, 2007
Estudaram-se parâmetros indicativos da maturação de frutos de árvores de Caesalpinia echinata, visando determinar a melhor época de colheita para propagação. Foram utilizadas 10 plantas-matriz cultivadas em Mogi-Guaçu, SP, nas quais foram etiquetadas 250
Francismar Francisco Alves Aguiar   +3 more
doaj   +2 more sources

Temperatura, luz e substrato para germinação de sementes de Pau-Brasil (Caesalpinia echinata Lam., Leguminosae - Caesalpinioideae) Temperature, light and substrate for germination of seeds of Brazilwood (Caesalpinia echinata Lam., Leguminosae - Caesalpinioideae)

open access: yesRevista Árvore, 2007
Programas de preservação de Caesalpinia echinata, espécie considerada em risco de extinção, incluem a conservação ex situ, que poderia ser ainda mais intensificada pelo armazenamento, no longo prazo, de suas sementes.
Juliana Iura de Oliveira Mello   +1 more
doaj   +2 more sources

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