A new and known cytotoxic aryltetralin-type lignans from stems of Bursera graveolens. (1/8)
A new 4alpha-aryltetralin-type lignan called burseranin (1) and a known analogous lignan picropolygamain (2) were isolated along with known triterpenes, lupeol and epi-lupeol from the methanol extract of stems of Bursera graveolens, which showed a remarkable inhibitory activity against human HT1080 fibrosarcoma cells. The whole structure of 1 was established based on combined spectral studies and the absolute structure for 2 was first confirmed by CD spectral evidence. In addition, cytotoxic activities of the stem (methanol) extract and its components are evaluated in this paper. (+info)Timing the origin and expansion of the Mexican tropical dry forest. (2/8)
Macroevolution examines the temporal patterns of biological diversity in deep time. When combined with biogeography, it can provide unique information about the historical changes in the distribution of communities and biomes. Here I document temporal and spatial changes of diversity in the genus Bursera and relate them to the origin and expansion of the tropical dry forests of Mexico. Bursera is very old, highly adapted to warm dry conditions, and a dominant member of the Mexican tropical dry forest. These characteristics make it a useful indicator of the history of this vegetation. I used a time-calibrated phylogeny to estimate Bursera's diversification rate at different times over the last 60 million years. I also reconstructed the geographic center and time of origin of all species and nodes from information on current distributions. Results show that between 30 and 20 million years ago, Bursera began a relatively rapid diversification. This suggests that conditions were favorable for its radiation and thus, very probably for the establishment of the dry forest as well. The oldest lineages diverged mostly in Western Mexico, whereas the more recent lineages diverged in the south-central part of the country. This suggests that the tropical dry forest probably first established in the west and then expanded south and east. The timing of the radiations in these areas corresponds to that suggested for formations of the mountainous systems in Western and Central Mexico, which have been previously recognized as critical for the persistence of the Mexican dry forest. (+info)The impact of herbivore-plant coevolution on plant community structure. (3/8)
Coevolutionary theory proposes that the diversity of chemical structures found in plants is, in large part, the result of selection by herbivores. Because herbivores often feed on chemically similar plants, they should impose selective pressures on plants to diverge chemically or bias community assembly toward chemical divergence. Using a coevolved interaction between a group of chrysomelid beetles and their host plants, I tested whether coexisting plants of the Mexican tropical dry forest tend to be chemically more dissimilar than random. Results show that some of the communities are chemically overdispersed and that overdispersion is related to the tightness of the interaction between plants and herbivores and the spatial scale at which communities are measured. As coevolutionary specialization increases and spatial scale decreases, communities tend to be more chemically dissimilar. At fairly local scales and where herbivores have tight, one-to-one interactions with plants, communities have a strong pattern of chemical disparity. (+info)Parthenocarpy and seed predation by insects in Bursera morelensis. (4/8)
(+info)Sources and sinks of diversification and conservation priorities for the Mexican tropical dry forest. (5/8)
(+info)Macroevolutionary chemical escalation in an ancient plant-herbivore arms race. (6/8)
(+info)Germacrene D, a common sesquiterpene in the genus Bursera (Burseraceae). (7/8)
(+info)Cytotoxic podophyllotoxin type-lignans from the steam bark of Bursera fagaroides var. fagaroides. (8/8)
(+info)"Bursera" is a genus of flowering plants in the family Burseraceae, also known as the torchwood or copal family. These plants are native to the Americas, particularly in Mexico and Central America. The genus includes approximately 100 species of trees and shrubs, many of which have aromatic resins that have been used for medicinal purposes by indigenous peoples for centuries.
Some species of Bursera have been used in traditional medicine to treat a variety of conditions, including skin diseases, respiratory infections, and gastrointestinal disorders. The resin from some species, such as B. graveolens and B. simaruba, has been used as a folk remedy for pain relief, reducing inflammation, and promoting wound healing.
However, it is important to note that while some species of Bursera have shown potential medicinal properties in preliminary research, more studies are needed to confirm their safety and effectiveness. Therefore, it is not recommended to use any Bursera species as a medical treatment without consulting a healthcare professional.
Sesquiterpenes are a class of terpenes that consist of three isoprene units and have the molecular formula C15H24. They are naturally occurring organic compounds that are synthesized by a variety of plants, insects, and other organisms. Sesquiterpenes play important roles in plant defense and communication, and some have been found to have medicinal properties.
Germacrane is a particular type of sesquiterpene that contains a specific carbon skeleton. It is a bicyclic compound with a five-membered ring fused to a seven-membered ring. Germacrane and its derivatives are found in various essential oils and have been studied for their potential therapeutic applications, including anti-inflammatory, antimicrobial, and anticancer activities.
Bursera
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Bursera lunanii
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Bursera graveolens
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Graveolens13
- The Bursera graveolens tree (Also known as Palo Santo) belongs to this genus. (wikipedia.org)
- Peruvians would harvest the fallen branches and twigs of the Bursera graveolens tree and burned pieces, much like incense, in order to spiritually purify energy. (bursera.ca)
- Here's a brief description of Bursera graveolens: Bursera graveolens, commonly known as Palo Santo, is a mystical tree native to South America. (apkmodstars.com)
- Bursera graveolens , known in Spanish as palo santo ('holy stick'), is a wild tree native from the Yucatán Peninsula to Peru and Venezuela. (apkmodstars.com)
- Buy PALO SANTO ( Bursera Graveolens Holly Stick 20 PCS Original from Peru! (apkmodstars.com)
- Bursera graveolens (Kunth) Triana and Planch, known as palo santo, is a deciduous tree species native to the tropical dry forests of Ecuador and Peru. (apkmodstars.com)
- Bursera graveolens Triana & Planch. (apkmodstars.com)
- Use: Adam Michael has this to say "Palo santo also known as holy wood is produced by steam distilling the aged wood of Bursera graveolens . (apkmodstars.com)
- Bursera graveolens belongs to the Burseraceae (Copal family) and inhabits the South American Gran Chaco region (northern Argentina, Paraguay, Bolivia and the Brazilian Mato Grosso). (maya-ethnobotanicals.com)
- This name is used in Peru and Ecuador for the tree Bursera graveolens. (pachamamaherbs.com)
- Crafted from genuine Bursera Graveolens, commonly known as Holy Wood, this bracelet is a fusion of natural charm and tranquil vibes. (stoneageshops.com)
- Ecuadorian Hands works with Bursera graveolens which is not endangered. (beadinggem.com)
- Their reforestation efforts of Bursera graveolens will ensure their long term survival and not fall to the same fate as the other species. (beadinggem.com)
Simaruba5
- Bursera simaruba (L.) Sarg. (herbariaunited.org)
- 2 168931 Bursera simaruba (L.) Sarg. (plantillustrations.org)
- The leaf and bark essential oils of Bursera simaruba (L.) Sarg. (essencejournal.com)
- A tropical American tree ( Bursera simaruba ) of the bursera family, having reddish, peeling bark and an aromatic resin used in making glues, varnish, incense, etc. (yourdictionary.com)
- 63:4 Maya, chacah , Bursera simaruba Sarg. (sacred-texts.com)
Fagaroides5
- Bursera fagaroides (Kunth) Engl. (llifle.com)
- Bursera fagaroides f. bourgeauana Engl. (llifle.com)
- Cited as Bursera fagaroides. (kew.org)
- Bursera Fagaroides is a species of flowering plant in the genus Bursera known by the common names Torchwood Copal and Fragrant Bursera. (herbalterra.com)
- Main ingredient: Wild Harvested Copal Oro (Bursera Fagaroides) Dry Piece. (herbalterra.com)
Palo2
- All Bursera Palo Santo is sourced from the dry forests of northern Peru and Certified Sustainable by SERFOR (National Forest Service and Wildlife of Peru). (bursera.ca)
- I'm addicted to the palo santo scent and Bursera quality appears to be superior to other products claiming to be palo santo. (bursera.ca)
Genus3
- Bursera is a genus with about 100 described species of flowering shrubs and trees varying in size up to 25 m (82 ft) high. (wikipedia.org)
- Caranna, medicinal gum Bursera penicillata trunks Bursera penicillata fruits and leaves Bursera penicillata trunk "Genus: Bursera Jacq. (wikipedia.org)
- Bursera is a small American genus related to frankincense and myrrh. (pioneerthinking.com)
Microphylla1
- Bursera is named for Joachim Burser (1583-1649) a German botanist, while microphylla means small leaved. (asu.edu)
Incense1
- Olibanum is a member of the Bursera family (also known as the Torchwood family or simply the incense tree family). (interhomeopathy.org)
Jacq1
- Bursera Jacq. (plantillustrations.org)
Engl1
- Bursera confusa (Rose) Engl. (llifle.com)
Odorata1
- The photographer's identification Bursera odorata has not been reviewed. (berkeley.edu)
Sapindales1
- Bursera (with the Anacardiaceae and Rutaceae in the Sapindales order). (interhomeopathy.org)
Family1
- from the same family as Olibanum (Bursera). (interhomeopathy.org)
Products2
- Bursera products are sourced sustainably and ethically. (bursera.com)
- EN avoids the use of chemicals, preservatives and other additives in our products. (shamansmarket.com)
Order1
- Will order again from Bursera! (bursera.ca)
Page2
- Cite this page: "Bursera schaffneri" Text available under a CC-BY-SA Creative Commons Attribution License. (llifle.com)
- Cite this page: "Bursera confusa" Text available under a CC-BY-SA Creative Commons Attribution License. (llifle.com)
PLANT1
- EN honors the spirit, or soul, of the plant, and recognizes that the essence of the plant is its life energy. (shamansmarket.com)
Term1
- The term bursera is identified in base64 scheme by the sequence YnVyc2VyYQ==, while the MD5 signature is equal to a1ac2d34d27534c4bf2a6499f8f7073d. (altervista.org)
Quality1
- Destinee discovered the Ceramic Bowl by Bursera on Flip and was impressed by its amazing quality and cute design. (flip.shop)
Collection1
- Pursue your passions and refresh any room with this trio collection of Bursera blends. (bursera.ca)
Kunth1
- Bursera fagaroides (Kunth) Engl. (llifle.com)
Copallifera2
- Bursera copallifera (Sessé & Moç. (plantillustrations.org)
- Composition and floristic diversity of ecosystems subject to overexploitation, such as tropical deciduous forests where copal resin (Bursera bipinnata, Bursera copallifera) is extracted, are of great importance for understanding the ecological functioning of these ecosystems. (bvsalud.org)
Obovata1
- Bursera obovata Turcz. (llifle.com)
Bark1
- Bursera lancifolia bark near Alamos, Sonora during peeling. (desertmuseum.org)
Tree1
- A large tree of Bursera lancifolia . (desertmuseum.org)
Leaves1
- Leaves of Bursera lancifolia . (desertmuseum.org)
Essential1
- Bursera schlechtendalii essential oil (BSEO) is used to heal superficial wounds. (bvsalud.org)
Plant1
- Bursera schechtendalii 6' Pot - Mature seed-grown plant! (botanicwonders.com)