tripinnate


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Related to tripinnate: bipinnate

tri·pin·nate

 (trī-pĭn′āt′)
adj.
Having bipinnate leaflets or lobes that are themselves pinnately divided, as in the fronds of certain ferns.
tri·pin′nate′ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tripinnate

(traɪˈpɪnɪt; -eɪt)
adj
(Botany) (of a bipinnate leaf) having the pinnules themselves pinnate
triˈpinnately adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tri•pin•nate

(traɪˈpɪn eɪt)

also tri•pin′nat•ed,



adj.
bipinnate, as a leaf, with the divisions also pinnate.
[1750–60]
tri•pin′nate•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.tripinnate - (of a leaf shape) thrice pinnate
tripinnated
compound - composed of more than one part; "compound leaves are composed of several lobes; "compound flower heads"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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We saw plenty of Tillandsia truncata, a large tank Till with a meter long tripinnate pink inflorescence that arched out sideways.
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The first form, the normal leaf, consists of true leaves that are bipinnate or occasionally tripinnate.
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I had assumed that my plant identification students, after a standard introductory leaf morphology practical session, would be able to consistently and confidently recognise and describe characters such as leaf arrangement (alternate, opposite of whorled), and leaf simple or compound (trifoliolate, palmate, pinnate, bipinnate or tripinnate).
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(1) the frond is bipinnate which differs from all other dichotomizing medullosalean fronds that are, by contrast, tripinnate
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