nastic
adjective
1. Relating to the response of a plant to a stimulus that does not depend on the location of the stimulus.
- Many flowers close themselves at night. This nastic movement is in reponse to the brightness of the sky.
1. Relating to the response of a plant to a stimulus that does not depend on the location of the stimulus.
- Many flowers close themselves at night. This nastic movement is in reponse to the brightness of the sky.