bipinnate


Also found in: Dictionary, Thesaurus, Medical.
Related to bipinnate: bipinnate leaf, Bipinnate muscles

bipinnate

[bī′pin‚āt]
(botany)
Pertaining to a leaf that is pinnate for both its primary and secondary divisions.
References in periodicals archive ?
1) separated most small-leaved bipinnate trees and shrubs from most broadleaved species.
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.
Its leaves are most picturesque, for they are bipinnate blanketed in tiny white hairs, bestowing the foliage a silvery radiance.
leaves: simple, trifoliolate, palmate, pinnate, bipinnate or tripinnate.
Two fragments of small bipinnate fronds showing small "shrivelled" pinnules have been attributed to "Callipteris martinsi" by Doubinger and Kruseman (1965, Pl.
LEAF DESCRIPTION: COMPOUND, bipinnate or tripinnate, usually three leaflets per division.
Inflorescence bipinnate, cylindrical, erect, 6-15 cm long, fascicles laxly (toward the base) to densely (near the apex) arranged, 1-3.
The frond is bipinnate and has a basal dichotomy (Laveine 1967; Laveine et al.
LEAF DESCRIPTION: COMPOUND, 6" to 12" long, pinnate or bipinnate on same plant; leaflets 1" to 1 1/4" long, elliptic to oblong-lanceolate shape with sparsely serrulate margins.
Velvetpod Mimosa--Mimosa dysocarpa, family Leguminosae; a plant with bipinnate foliage, found on the semiarid ranges from Texas to Arizona and Mexico, whose forage rating is fair.
They are sparse plants, with the bipinnate leaves and small leaflets of many leguminous species.