apogeotropism

English

Noun

apogeotropism (uncountable)

1. (botany) An apogeotropic tendency; the tendency to bend away from the ground.
   • 1880 November 6, Charles Darwin, Francis Darwin, chapter XII, in The Power of Movement in Plants‎^[1], page 555:

     As soon as the faintest ray of light reaches a seedling, heliotropism will guide it through any crack in the soil, or through an entangled mass of overlying vegetation; for apogeotropism by itself can direct the seedling only blindly upwards.

References

• “apogeotropism”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.