adjective Botany.
(of a leaf) pinnately cleft, with clefts reaching halfway or more to the midrib.

1745–55; < Neo-Latin pinnātifidus. See pinnati-, -fid Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
pinnatifid (pɪˈnætɪfɪd)
(of leaves) pinnately divided into lobes reaching more than halfway to the midrib

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Example sentences
These leaves are smaller in size than the basal leaves and pinnatifid in shape.
Stem leaves are deeply bi- or tri-pinnatifid, arranged alternately on the stem and are reduced in size higher on the stem.
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