tripinnate


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Related to tripinnate: bipinnate

tripinnate

[trī′pi‚nāt]
(biology)
Being bipinnate and having each division pinnate.
References in periodicals archive ?
Inflorescence bipinnate to laxly tripinnate with 6 to 12 primary branches, the main axis flexuose; primary bracts elliptic, acute, 25-40 x 5-9 mm, somewhat cucculate, nerved, sparsely punctate-lepidote, red, all much shorter than the branches; primary branches with a slender 2-10 mm peduncle, the lowest primary branches rarely with up to 6 subsessile 2 to 10-flowered secondary branches, otherwise the primary branches cylindrical, 4-12 cm long, 8 to 15-flowered; floral bracts elliptic, acute, 13-17 mm long, somewhat cucculate, thin coriaceous, nerved, the proximal ones somewhat carinate, spreading at anthesis usually red or rarely red tipped white or yellow.
Inflorescence bipinnate to inconspicuously tripinnate, obconic-rosulate, substellate at the apex, ca.
Inflorescence laxly paniculate, broadly pyramidate, tripinnate at base and bipinnate toward the apex, 65-70 cm long, 20-45 cm in diameter at base, erect, rachis white lanate but soon glabrous, dark purple-wine, rugulose, straight to slightly flexuous near the apex, 1-1.