Parastichy
Parastichy Pa*ras"ti*chy, n. [Pref. para- + Gr. sti`chos a row.] (Bot.) A secondary spiral in phyllotaxy, as one of the evident spirals in a pine cone. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • parastichy — /pi ras ti kee/, n., pl. parastichies. Bot. one of a number of seemingly secondary spirals or oblique ranks winding around the stem or axis to the right and left in a spiral arrangement of leaves, scales, etc., where the internodes are short and… …   Universalium

  • parastichy — noun A secondary spiral of leaves …   Wiktionary

  • parastichy —   Spiral arrangement of leaves on an axis (or sporophylls in a cone), e.g. Encephalartos, Lepidozamia, and Macrozamia cones show well defined clockwise and anticlockwise parastichies.   See also orthostichy …   Expanded glossary of Cycad terms

  • parastichy — pa·ras·ti·chy …   English syllables

  • parastichy — /pəˈræstəki/ (say puh rastuhkee) noun (plural parastichies /pəˈræstəkiz/ (say puh rastuhkeez)) (in a spiral arrangement of leaves, scales, etc., where the internodes are short and the members closely crowded, as in the houseleek and the pine… …   Australian English dictionary

  • parastichy — pəˈrastəkē noun ( es) Etymology: International Scientific Vocabulary para (I) + Greek stichos row + International Scientific Vocabulary y more at stich : a hypothetical oblique or secondary spiral line joining leaves …   Useful english dictionary

  • orthostichy —  ̷ ̷ˈ ̷ ̷ ̷ ̷kē noun ( es) Etymology: International Scientific Vocabulary orth + Greek stichos row + International Scientific Vocabulary y more at stich : a hypothetical line passing through the bases of leaves or scales situated directly above… …   Useful english dictionary

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