Results 111 to 120 of about 84,030 (303)

Catálogo sistemático dos pólens das plantas arbóreas do Brasil meridional XI - Loranthaceae e Olacaceae Catalogue of southern brazilian pollen grains

open access: yesMemorias do Instituto Oswaldo Cruz, 1972
Em sequência às PROTEACEAE previamente examinadas, foram estudados nesta parte do Catálogo os grãos de pólen das LORANTHACEAE e OLACACEAE da floresta umbrófila subtropical do Sul do Brasil.
Ortrud Monika Barth
doaj   +1 more source

Development and in vitro evaluation of chitosan nanoparticles encapsulating Phoenix dactylifera L. (Ajwah) seed extract with supporting in silico molecular docking analysis

open access: yesFood Biomacromolecules, EarlyView.
Abstract This research describes the engineering of chitosan nanoparticles (CS NPs) via ionic gelation to I'm double or somethingencapsulate Ajwah seed extract (ASE), repurposing a plant waste product for its documented antioxidant and anticancer potential.
Jailan E. Elhalawani   +2 more
wiley   +1 more source

Revision of the South African endemic bee genus Redivivoides Michener, 1981 (Hymenoptera: Apoidea: Melittidae) [PDF]

open access: yes, 2012
The South African endemic bee genus Redivivoides Michener, 1981 is revised and redefined. The genus comprises seven species, six of which are described here as new: Redivivoides capensis sp. nov. ♀♂, R. eardleyi sp. nov. ♀, R. kamieskroonensis sp. nov. ♀,
Kuhlmann, Michael
core   +5 more sources

Beeswax: Food and beyond

open access: yesFood Biomacromolecules, EarlyView.
Abstract Honeybees (Apis mellifera L.) are an important class of insects that are the most beneficial in terms of economy. Beeswax is the second most important bee products after honey. Its commercial importance is due to its antimicrobial, antioxidant, anti‐inflammatory and antiseptic as well as regenerative properties.
Rajshri Naveen, Manickam Loganathan
wiley   +1 more source

Main pollen characters in the diet of four stingless bees (Apidae: Meliponini) in the Chaco dry forest [PDF]

open access: yesRodriguésia
The pollen morphology of 59 floral resources found in 30 nests of four stingless bees was analyzed using nine characters. For identification and description, the pollen was acetolyzed and for cytoplasm measurements, the non-acetolyzed grains were ...
Favio Gerardo Vossler
doaj   +1 more source

Oakleaf: an S locus-linked mutation of Primula vulgaris that affects leaf and flower development [PDF]

open access: yes, 2015
•In Primula vulgaris outcrossing is promoted through reciprocal herkogamy with insect-mediated cross-pollination between pin and thrum form flowers. Development of heteromorphic flowers is coordinated by genes at the S locus.
Anders S   +19 more
core   +1 more source

Functional Stability Despite Taxonomic Changes in Mixed‐Species Foraging Flock Participants Along an Elevational Gradient in Knuckles Montane Reserve, Sri Lanka 斯里兰卡纳克斯山地保护区 (Knuckles Montane Reserve) 海拔梯度上混合物种觅食群参与者的功能稳定性与分类变化

open access: yesIntegrative Conservation, EarlyView.
This research reveals the functional stability of mixed species foraging flocks (MSF) and their foraging height change with different taxonomic differences along the elevational gradient at Knuckles Montane Reserve, Sri Lanka. This offers new insights into how MSFs sustain with the elevational gradients supporting the altitudinal shifting species ...
Vimukthi. R. Gunasekeara   +3 more
wiley   +1 more source

The morphology and exine ornamentation of fresh pollen from four dipterocarp species in Sabah [PDF]

open access: yes, 2012
Peer reviewedPublisher ...
Burslem, David Francis Robert Philip   +3 more
core  

Systematics, similarity and Acanthaceae pollen morphology

open access: yesBotanical Journal of the Linnean Society, 1992
SCOTLAND, R. W., 1992. Systematics, similarity and Acanthaceae pollen morphology. A brief discussion of the history of Acanthaceae classifications is provided. It is argued that several approaches utilizing pollen morphological data for the classification of the family can be identified.
openaire   +1 more source

Evaluation of pollen production in Bromus catharticus Vahl and Guadua trinii (Nees) Nees ex Rupr. (Poaceae) for interpretation of fossil data

open access: yesBiotemas, 2016
We evaluated pollen production per anther, per flower, and per spikelet of the grassland species Bromus catharticus and the forest taxon Guadua trinii (Poaceae), which have divergent pollination syndrome.
Jefferson Nunes Radaeski   +1 more
doaj  

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