Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Having bipinnate leaflets or lobes that are themselves pinnately divided, as in the fronds of certain ferns.
from The Century Dictionary.
- In botany, threefold pinnate: noting a leaf in which there are three series of pinnæ or leaflets, as when the leaflets of a bipinnate leaf are themselves pinnate.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Bot.) Having bipinnate leaflets arranged on each side of a rhachis.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective botany Having
bipinnate leaflets arranged on each side of arhachis .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective (of a leaf shape) thrice pinnate
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Support
Help support Wordnik (and make this page ad-free) by adopting the word tripinnate.
Examples
-
Stipes three to nine inches tall, blades one to three inches, triangular-ovate, pinnate at the summit, and tripinnate below.
The Fern Lover's Companion A Guide for the Northeastern States and Canada George Henry Tilton
-
A tripinnate form of this variety discovered at Concord, Mass., by Henry
The Fern Lover's Companion A Guide for the Northeastern States and Canada George Henry Tilton
-
Fronds eight to eighteen inches long, lanceolate-oblong, tripinnate.
The Fern Lover's Companion A Guide for the Northeastern States and Canada George Henry Tilton
-
Fronds two to six inches long, triangular-ovate, acute, broadest at the base, tripinnate.
The Fern Lover's Companion A Guide for the Northeastern States and Canada George Henry Tilton
-
A more highly developed form of the typical plant, the lower pinnæ being often very broad, and the fronds tripinnate.
The Fern Lover's Companion A Guide for the Northeastern States and Canada George Henry Tilton
-
From a systematic point of view these leaves indicate the origin of the water-parsnips from ordinary umbellifers, which generally have bi - and tripinnate leaves.
Species and Varieties, Their Origin by Mutation Hugo de Vries 1891
-
It was tripinnate; its secondary stems were placed directly opposite on the midrib, but its tertiary ones in the alternate arrangement; and its leaflets which were also alternate, were as rectilinear and slim as mere veins, or as the thread-like leaflets of asparagus.
The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed Hugh Miller 1829
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.