Results 21 to 30 of about 26,689 (224)

Nectar and oleiferous trichomes as floral attractants in Bulbophyllum saltatorium Lindl. (Orchidaceae) [PDF]

open access: yes, 2017
Although many Orchidaceae have deceit flowers that produce no reward, the most common reward, when present, is nectar. Bulbophyllum, however, is unusual in that the labellar secretions of most species investigated to date lack sugars, and, therefore ...
Davies, Kevin L.   +2 more
core   +1 more source

Breast calcification micromorphology classification

open access: yesThe British Journal of Radiology, 2022
Objectives: The importance of consistent terminology in describing the appearance of breast calcifications in mammography is well recognised. Imaging of calcifications using electron microscopy is a globally growing field of research. We therefore suggest that the time is ripe to develop a lexicon of terms for classifying the micromorphology of breast ...
Robert Scott   +8 more
openaire   +4 more sources

The location of nectaries and nectar secretion in the flowers of Allium giganteum Regel

open access: yesActa Agrobotanica, 2012
In the flowers of Allium there are found septal nectaries; in particular species, their outlet can be located in different parts of the ovary. The inflorescences of these plants are a rich source of nectar for insects.
Beata Żuraw   +3 more
doaj   +1 more source

Dissection for Floral Micromorphology and Plastid Genome of Valuable Medicinal Borages Arnebia and Lithospermum (Boraginaceae)

open access: yesFrontiers in Plant Science, 2020
The genera Arnebia and Lithospermum (Lithospermeae-Boraginaceae) comprise 25–30 and 50–60 species, respectively. Some of them are economically valuable, as their roots frequently contain a purple-red dye used in the cosmetic industry.
Inkyu Park   +3 more
doaj   +1 more source

The Complete Genome Sequence, Molecular Detection, and Anatomical Analysis of Hibiscus Chlorotic Ringspot Virus Infecting Hibiscus rosa-sinensis in Peninsular Malaysia

open access: yesHorticulturae, 2023
Hibiscus rosa-sinensis is the national flower of Malaysia and is widely cultivated as landscape planting across the nation. In 1995, Hibiscus chlorotic ringspot virus (HCRSV) was reported for the first time in Malaysia.
Mohd Shakir Mohamad Yusop   +8 more
doaj   +1 more source

Micromorphological description of vernacular cob process and comparison with rammed earth [PDF]

open access: yes, 2019
International audiencePast builders have developed very low-embodied energy construction techniques optimizing the use of local building materials. These techniques are a source of inspiration for modern sustainable building. Unfortunately, this know-how
Cammas, Cécilia   +4 more
core   +5 more sources

The ecological features of flowers and inflorescences of two species of the genus Petasites Miller (Asteraceae)

open access: yesActa Agrobotanica, 2012
The structural features of flowers and inflorescences of Petasites hybridus and P. albus were compared. Only individuals producing flower heads with male flowers and few female flowers were found in the studied populations.
Weronika Haratym   +1 more
doaj   +1 more source

Micromorphology of Pine Needle Primordia and Young Needles after Bud Dormancy Breaking

open access: yesPlants, 2023
Using a scanning electron microscope, the micromorphologies of needle primordia and the young needles of seven pine species (Pinus cembra, P. mugo, P. nigra, P. rigida, P. sylvestris, P. strobus, and P.
Marzenna Guzicka   +3 more
doaj   +1 more source

Biomineralization of primary carbonate cements: a new biosignature in the fossil record from the Anisian of Southern Italy

open access: yesLethaia, EarlyView., 2021
Biomineralization is a generic term used to indicate biological‐mediated mineral formation. In carbonate mineralization, nucleation of crystals can be: (1) controlled directly by the organisms, like in the skeletal formation of most metazoans; (2) induced by microbial communities, by indirect precipitation mediated by their metabolic activities; or (3)
Adriano Guido   +4 more
wiley   +1 more source

Experimental Study on Frosting Characteristics of Wavy Aluminum Surfaces

open access: yesZhileng xuebao, 2022
Aiming at extensive applications and frosting problems of wavy finned-tube heat exchangers and based on the phase change driving force to analyze its frosting mechanism, the frosting characateristics on wavy aluminum surfaces with different cold surface ...
Liu Yao   +5 more
doaj  

Home - About - Disclaimer - Privacy