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How orchids feed specialized bee pollinators

How orchids feed specialized bee pollinators

A significant proportion of orchids in the subtribe Oncidiinae produce floral oil as a food reward that attracts specialized bee pollinators. This oil is produced either by glands (epithelial elaiophores) or by tufts of secretory hairs (trichomal elaiophores). Although the structure of epithelial elaiophores has been well documented, trichomal elaiophores are less common and have not received as…

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Morphology of lateral root development - free review article

Morphology of lateral root development – free review article

Morphology of lateral root development

Morphology of lateral root development

The crucial role of roots in plant nutrition, and consequently in plant productivity, is a strong motivation to study the growth and functioning of various aspects of the root system. Numerous studies on lateral roots mostly focus on the physiological and molecular bases of developmental processes. Unfortunately, little attention is paid either to the…

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Spatial and temporal functional changes in alpine summit vegetation are driven by increases in shrubs and graminoids

Classical approaches to investigating temporal and spatial changes in community composition offer only partial insight into the ecology that drives species distribution, community patterns and processes, whereas a functional approach can help to determine many of the underlying mechanisms that drive such patterns.

Spatial and temporal functional changes in alpine summit vegetation are driven by increases in shrubs and graminoids

Classical approaches to investigating temporal and spatial changes in community composition offer only partial insight into the ecology that drives species distribution, community patterns and processes, whereas a functional approach can help to determine many of the underlying mechanisms that drive such patterns.