tripinnate


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Related to tripinnate: bipinnate

tripinnate

[trī′pi‚nāt]
(biology)
Being bipinnate and having each division pinnate.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Rhizomes short, creeping; fronds 25-130 cm long; rachis green or reddish; blades ovate or oblanceolate, 20-100 cm long, bipinnate or tripinnate; sori elongated, straight or curved, sub-marginal; indusia marginally ciliate.
Again line drawings and numerous scans are provided to help distinguish between trifoliolate, palmate, pinnate, bipinnate and tripinnate leaves (Fig.
LEAF DESCRIPTION: COMPOUND, bipinnate or tripinnate, usually three leaflets per division.
LEAF DESCRIPTION: COMPOUND (tripinnate; 3 times divided), leaflets 1 1/2" to 2" long and half as wide, ovate shape with cuneate base.
7) by a tripinnate, 65 cm long, striate, fragmentary primary rachis, 2 cm wide near the base, and 1.4 cm near the top; secondary rachides are oppositely placed, also striate, 1-0.7 cm wide, and preserved for a length of 13 cm.