C028/7032 Rights Managed

Request low-res file

530 pixels on longest edge, unwatermarked

Request/Download high-res file

Uncompressed file size: 48.2MB

Downloadable file size: 5.2MB

Price image Pricing

Please login to use the price calculator

Credit: Martin Shields/SCIENCE PHOTO LIBRARY


Caption: Phototropism is a directional plant response to light. Plant shoots (stems) exhibit positive phototropism by growing towards a light source. This sunflower seedling, Helianthus annuus, is bending towards the sun because auxin hormones released into the far (dark) side of the stem cause elongation on that side.

Release details: Model release not required. Property release not required.

Keywords: auxin, bending, bending toward light, biology, botany, growth and development, helianthus annuus, heliotropism, hormonal, hormone, in window, leaning, light, photo tropism, phototropic response, phototropism, plant, plant development, plant growth, positive phototropic response, positive phototropism, response, response to light, response to sunlight, seedling, shoot, stem, sunflower, sunlight, tropism, window, window sill, windowsill

Licence fees: A licence fee will be charged for any media (low or high resolution) used in your project.