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Nutation

nutation

1. The act of nodding. So from the midmost the nutation spreads, round and more round, o'er all the sea of heads. (pope)

2. (Science: astronomy) A very small libratory motion of the earth's axis, by which its inclination to the plane of the ecliptic is constantly varying by a small amount.

3. (Science: botany) The motion of a flower in following the apparent movement of the sun, from the east in the morning to the west in the evening. Circumnutation.

Origin: L. Nutatio a nodding, fr. Nutare to nod: cf. F. Nutation.


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How can the following plant movements be categorized?

... (I dont know if its the same as Sleep movements) 5. Growth Movements 6. Autonomic Movements 7. Paratonic Movements 8. Epinasty 9. Hyponasty 10. Nutation 11. Tropic Movements 12. Nastic Movements 13. Tactic Movements. Here is the categorization of these movements from a book (but I suspect its ...

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by WJohn
Fri Oct 17, 2008 9:34 am
 
Forum: Botany Discussion
Topic: How can the following plant movements be categorized?
Replies: 2
Views: 3217


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