Definition, Meaning & Synonyms

diaheliotropism

noun
/ˌdīəˌhēlɪˈɔːtrəˌpɪzəm/
Definition
The orientation of a plant or part of a plant toward sunlight.
Examples
  • The sunflower displays diaheliotropism by turning its head to follow the sun throughout the day.
  • Many plants exhibit diaheliotropism to enhance their photosynthetic efficiency.
  • Research on diaheliotropism can help improve agricultural practices by selecting crops that optimize light absorption.
Meaning
Diaheliotropism refers to the directional growth of plants in response to the presence of sunlight, specifically toward the light source, which maximizes light exposure for photosynthesis.
Synonyms
  • Phototropism
  • Light-seeking behavior
  • Solar orientation