noun, plural parastichies. Botany.
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 the members closely crowded, as in the houseleek and the pine cone.

1870–75; para-1 + stich1 + -y3 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To parastichies
World English Dictionary
parastichy (pəˈræstɪkɪ)
n , pl -chies
1.  a hypothetical spiral line connecting the bases of a series of leaves on a stem
2.  an arrangement of leaves so connected
[C19: from para-1 + Greek stikhia, from stikhos row, rank]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature