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a.1.(Bot.) Destitute of bracts.
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5 cm long, subclavate-cylindrical, tightly flowered; bractless or sometimes with a scabridulous-ciliolate awn up to ca.
and (5) is there any difference in vigor among the progenies of normal and bractless plants?
Mean insect visitation rate decreased by 23% in bractless shrubs as compared to controls, so the answer to the first question addressed (do Lavandula bracts enhance visitation?