Results 21 to 30 of about 4,084 (208)

Burseraceae: a model for studying the Amazon flora

open access: yesRodriguésia
A well-studied group of plants can serve as a model for addressing issues in conservation, evolution, and biogeography, making it possible to assign conservation status with confidence and detecting not only those taxa that are most threatened but also ...
Douglas Charles de Burgh Daly   +2 more
doaj   +2 more sources

Commiphora omundomba (Burseraceae), a new species from Angola and Namibia [PDF]

open access: yes, 2022
Swanepoel, Wessel, Weeks, Andrea, Van Wyk, Abraham E. (2022): Commiphora omundomba (Burseraceae), a new species from Angola and Namibia. Phytotaxa 543 (4): 207-218, DOI: 10.11646/phytotaxa.543.4.
Swanepoel, Wessel   +3 more
core   +1 more source

LA FAMILIA BURSERACEAE EN EL ESTADO DE AGUASCALIENTES, MÉXICO [PDF]

open access: yesActa Botanica Mexicana, 2011
Se presenta el estudio de los árboles y arbustos de la familia Burseraceae que se localizan en el estado de Aguascalientes, México. Se incluye una clave para la identificación de las especies, descripciones con datos de nombre común, altitud, abundancia,
Margarita Elia de la Cerda-Lemus
doaj   +1 more source

(Burseraceae) [PDF]

open access: yes, 2020
Disentangling the strength and importance of barriers to reproduction that arise between diverging lineages is central to our understanding of species origin and maintenance. To date, the vast majority of studies investigating the importance of different
Fine, Paul V.A.   +5 more
core   +1 more source

Individual Trees Respond to 40 Years of Climate Change Through Leaf Functional Trait Acclimation. [PDF]

open access: yesGlob Chang Biol
We measured leaf traits from historic and contemporary herbarium specimens collected from the same individual trees in the southern Peruvian Amazon and compared trait changes to local changes in climate which included increasing temperature, decreasing precipitation, and increasing [CO2]. We found significant decreases in leaf mass per area (LMA), leaf
Fortier RP   +9 more
europepmc   +2 more sources

An Ethnopharmacological, Phytochemical and Pharmacological Review on Lignans from Mexican Bursera spp.

open access: yesMolecules, 2018
The genus Bursera belongs to the family Burseraceae and has been used in traditional Mexican medicine for treating various pathophysiological disorders. The most representative phytochemicals isolated from this genus are terpenoids and lignans.
Maria Carla Marcotullio   +2 more
doaj   +1 more source

CONSTITUÍNTES QUÍMICOS DE Protium paniculatum(BURSERACEAE) [PDF]

open access: yesActa Amazonica, 1994
Dos extratos etéreo e etanólico da casca da madeira de Protium paniculatumEngl. foram isolados α- e β-amirina (0,012%), β-sitosterol e estigmasterol (0,003%) e o ácido 3,3'-di-O-metilelágico (0,093%0).
Maria das G. B. ZOGHBI   +3 more
doaj   +1 more source

Flora of Ceará state, Brazil: Burseraceae [PDF]

open access: yesRodriguésia
We present the floristic study of Burseraceae in the state of Ceará, as part of the “Flora of Ceará: from Knowledge to Conservation” project. The study was based on the morphological analysis of specimens deposited in herbaria (ALCB, CSTR, EAC, HCDAL ...
Diego Santos   +2 more
doaj   +2 more sources

Separação semipreparativa de α e β-amirina por cromatografia líquida de alta eficiência

open access: yesQuímica Nova, 2011
The resin obtained from species of the genus Protium (Burseraceae) is formed mostly of pentacyclic triterpenes: α-amyrin and β-amyrin. The separation and purification of these triterpenes were optimized in three steps.
Marluce Oliveira Dias   +2 more
doaj   +1 more source

Capacidad antioxidante y contenido de fenoles totales de Hyptis spp., P. Heptaphyllum, T. Panamensis, T. Rhoifolia, y Ocotea sp.

open access: yesRevista Colombiana de Química, 2015
En este trabajo se evaluó la posible correlación entre las actividades antioxidantes, el contenido de fenoles totales (CFT) y la composición química de Lamiaceae (H. conferta, H. dilatata, H. mutabilis, H. suaveolens), Burseraceae (P.
Geovanna Tafurt García   +2 more
doaj   +1 more source

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