Results 101 to 110 of about 8,376 (222)

Inga pitmanii (Fabaceae), a New Species from Madre de Dios, Peru [PDF]

open access: yes, 2011
Inga pitmanii K. G. Dexter & T. D. Penn., a new species of Inga Mill. from Madre de Dios, Peru, is described for the Fabaceae (Mimosoideae). Morphologically it is closest to I. chartacea Poepp.
Dexter, Kyle G, Pennington, Terence D
core   +1 more source

The comparison of nectaries structure of some varieties of ornamental apple

open access: yesActa Agrobotanica, 2012
The study of floral nectary structures of thirteen ornamental apple cultivars examined using light microscope (MS) and scanning electron microscope (SEM) was performed.
Agata Konarska
doaj   +1 more source

Nectar Analysis Throughout the Genus Nicotiana Suggests Conserved Mechanisms of Nectar Production and Biochemical Action

open access: yesFrontiers in Plant Science, 2018
We have evaluated the floral nectars of nine species from different sections of the genus Nicotiana. These nine species effectively cover the genus. We found that the nectary glands from these different species showed similar developmental regulation ...
Fredy A. Silva   +3 more
doaj   +1 more source

Domacios y nectarios extraflorales en Bignoniáceas: componentes vegetales de una interacción mutualística. [PDF]

open access: yes, 2011
Las plantas presentan relaciones mutualísticas con insectos a cambio del control de sus herbívoros u hongos patógenos; por medio de los domacios les ofrecen albergue y mediante la secreción de néctar de nectarios extraflorales les brindan alimento.
Gonzalez, Ana María
core   +1 more source

Comparative floral anatomy and evolutionary interpretations of cryptic dioecy in Ocotea velloziana (Lauraceae) [PDF]

open access: yesRodriguésia
Ocotea velloziana (Lauraceae) is a species with cryptic dioecy. The staminate flowers of this species have a pistillode and pistillate flowers have staminodes, which often makes it difficult to describe circumscribe the reproductive system correctly ...
Sarah Juventina Barbosa da Silva   +5 more
doaj   +1 more source

The Ecology and Evolution of Ant- Aphid Interactions

open access: yes, 2009
The evolution of species interactions is a fascinating subject, and one of vital importance if we are to understand how biological communities change over time.
Oliver, Thomas Henry   +1 more
core   +1 more source

Genetic interactions among floral homeotic genes of Arabidopsis [PDF]

open access: yes, 1991
We describe allelic series for three loci, mutations in which result in homeotic conversions in two adjacent whorls in the Arabidopsis thaliana flower. Both the structure of the mature flower and its development from the initial primordium are described ...
Bowman, John L.   +2 more
core  

Is Self-Incompatibility Related to Nectar Presence in Dendrobium?

open access: yesPlants
Studies on the gain or loss of nectar during the course of evolution in Dendrobium Sw. (Orchidaceae) are able to provide important information concerning the reproductive biology of this enormous orchid genus and highlight reproductive barriers—in ...
Karolina Zielińska   +4 more
doaj   +1 more source

Influential factors in nectar composition and yield in Leptospermum scoparium : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Plant Science, Institute of Agriculture and the Environment, College of Sciences, Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 2015
Material omitted from digital version of thesis: Nickless, E. M., Anderson, C. W. N., Hamilton, G., Stephens, J. M., & Wargent, J. (2016). Soil influences on plant growth, floral density and nectar yield in three cultivars of manuka (Leptospermum ...
Nickless, Elizabeth Mary
core  

Larra bicolor Fabricius (Hymenoptera: Crabronidae): its distribution throughout Florida [PDF]

open access: yes, 2009
We document the presence of Larra bicolor Fabricius (Hymenoptera: Crabronidae) in 46 of Florida's 67 counties. The species is represented by two stocks.
Blount, Ann C.   +4 more
core  

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