hy·po·nas·ty (h  p -n s t )n. pl. hy·po·nas·ties An upward bending of leaves or other plant parts, resulting from growth of the lower side. hy po·nastic adj. |
hyponasty [ˈhaɪpəˌnæstɪ]
n
(Life Sciences & Allied Applications / Botany) increased growth of the lower surface of a plant part, resulting in an upward bending of the part Compare epinasty
hyponastic adj
hyponastically adv
hyponasty
an increase in growth in a lower part of a plant causing it to bend upward. — hyponastic, adj.
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