epinastic

epinastic is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.A term applied to that phase of vegetable growth in which an organ grows more rapidly on its upper than on its under surface. See Hyponastic.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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