bipinnate
[bahy-pin-eyt]
- pinnate, as a leaf, with the divisions also pinnate.
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Origin of bipinnate
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for bipinnate
Historical Examples of bipinnate
In all botanical works the fronds are incorrectly said to be bipinnate.
An Elementary Text-book of the MicroscopeJohn William Griffith
Pinna, a primary division with its leaflets of a bipinnate or tripinnate leaf.
The Elements of BotanyAsa Gray
Pinnule, a secondary division of a bipinnate or tripinnate leaf, 66.
The Elements of BotanyAsa Gray
Stem and branches pinnate or bipinnate, the pinnae and pinnules alternate.
Fronds smooth, two to ten inches long, lanceolate, bipinnate.
The Fern Lover's CompanionGeorge Henry Tilton
bipinnate
- (of pinnate leaves) having the leaflets themselves divided into smaller leaflets
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
bipinnate
[bī-pĭn′āt′]
- Relating to compound leaves that grow opposite each other on a larger stem; twice-compound or twice-pinnate. Bipinnate leaves have a feathery appearance. The acacia, coffeetree, and silktree have bipinnate leaves.
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The American Heritage® Science Dictionary
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