Hyponastic Hy`po*nas"tic, a. [Pref. hypo- + Gr. ? pressed close.] (Bot.) Exhibiting a downward convexity caused by unequal growth. Cf. {Epinastic}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • hyponastic — See hyponasty. * * * …   Universalium

  • hyponastic — hy·po·nas·tic …   English syllables

  • hyponastic — …   Useful english dictionary

  • Hyponastic response — The hyponastic response is an upward bending of leaves or other plant parts, resulting from growth of the lower side. This can be observed in many terrestrial plants and is thought to be linked to the plant hormone ethylene.Submerged plants often …   Wikipedia

  • hyponasty — hyponastic, adj. hyponastically, adv. /huy peuh nas tee/, n. Bot. increased growth along the lower surface of a plant or plant part, causing it to bend upward. [1870 75; HYPO + Gk nast(ós) pressed close, compact + Y3] * * * …   Universalium

  • Epinastic — Ep i*nas tic, a. [Pref. epi + Gr. ? pressed close.] (Physiol.) 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}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Ethylene — Ethylene …   Wikipedia

  • Petiole (botany) — For the moth genus, see Phyllodes (moth). Leaf of Dog Rose (Rosa canina), showing the petiole, two leafy stipules, and five leaflets …   Wikipedia

  • -nastic — a combining form occurring in adjectives corresponding to nouns ending in nasty: hyponastic. [see NASTIC] * * * …   Universalium

  • hyponasty — /ˈhaɪpənæsti/ (say huypuhnastee) noun increased growth along the lower surface of an organ or part, causing it to bend upwards. {hypo + Greek nastos pressed close, compact + y3} –hyponastic /haɪpəˈnæstɪk/ (say huypuh nastik), adjective …   Australian English dictionary

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