epinasty
noun
(especially of leaves) increased growth on the upper surface of an organ or part, causing it to bend downward.
epinastic
-
a word derived from
epinasty.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Whenever epinastic growth is vigorous, it might conquer diaheliotropism in the evening, at which time it would be of no importance to the plant to keep its leaves horizontal.
From The Power of Movement in Plants by Charles Darwin
Whether the sinking was due to epinastic growth, or apheliotropism, we do not know.
From The Power of Movement in Plants by Charles Darwin
Trifolium repens: circumnutating and epinastic movements of the sub-peduncle of a single flower, traced on a vertical glass under a skylight, in A from 11.30 A.M.
From The Power of Movement in Plants by Charles Darwin
With respect to this downward movement of the leaves, Kraus believes that it is due to their epinastic growth.
From The Power of Movement in Plants by Charles Darwin
Pinus pinaster: epinastic downward movement of a young leaf, produced by a young plant in a pot, traced on a vertical glass under a skylight, from 6.45 A.M.
From The Power of Movement in Plants by Charles Darwin
