Major Botanical Differences Among Laggera species.

Contributor:Dr. Pankaj OudhiaInteractive TableID: 1933
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Major Botanical Differences Among Laggera species.
CharactersLaggera alataLaggera auritaLaggera crispa
PlantAnnual erect herb having height upto one meter.Annual erect herb, 30-90 cm high.Annual or perennial erect much branched viscid herb, 50-150 cm high.
StemBroadly winged, clothed with viscous or glandular pubescence.Viscous hairy, woody at baseWinged toothed.
LeavesSessile, 3-8x0.7-3 cm, oblong-lanceolate, decurrent on to wings of stem, dentate-glandular.Obovate or oblanceolate, toothed, loobed or half pinnatifid, viscous, hairy on both surfaces.2-15x0.3-5 cm, obovate or oblong, subacute and apiculate at apex, serrate dentate at margins.
FlowerHeads in racemose panicles; Involucral bracts many seriate; Ray florets filiform; Disc floret five-toothed.In corymbose or diffuse panicles, Involucral bracts many seriate; Ray florets filiform.In terminal leafy corymbiform panicles; Involucral bracts 3-4 seriate; Ray florets filiform; Disc florets tubular.
AchenesCylindric, ribbed, hairy; pappus whiteCylindric, obscurely ribbed, thinly hairy; Pappus white.Ribbed, Pappus white.
Flowering and Fruiting time.Jan.-Feb.Feb.-March.Jan.-March.

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