- pinnate, as a leaf, with the divisions also pinnate.
Origin of bipinnate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for bipinnate
In all botanical works the fronds are incorrectly said to be bipinnate.An Elementary Text-book of the Microscope
John William Griffith
Pinnule, a secondary division of a bipinnate or tripinnate leaf, 66.
Pinna, a primary division with its leaflets of a bipinnate or tripinnate leaf.
Stem and branches pinnate or bipinnate, the pinnae and pinnules alternate.Narrative Of The Voyage Of H.M.S. Rattlesnake, Commanded By The Late Captain Owen Stanley, R.N., F.R.S. Etc. During The Years 1846-1850. Including Discoveries And Surveys In New Guinea, The Louisiade Archipelago, Etc. To Which Is Added The Account Of Mr. E.B. Kennedy's Expedition For The Exploration Of The Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist To The Expedition. In Two Volumes. Volume 1.
Fronds smooth, two to ten inches long, lanceolate, bipinnate.The Fern Lover's Companion
George Henry Tilton
- (of pinnate leaves) having the leaflets themselves divided into smaller leaflets
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
- 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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