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Effects of bracteoles, trichomes and after-ripening (storage) time on germination percentages (mean ± s.e.) of dispersal units a (upper row), c (middle row) and f (lower row) of Ceratocarpus arenarius in light (12 h photoperiod) at 30/15 °C. Only standard errors ≥2·52 % are shown. B, bracts; DU, intact dispersal unit; DUW, dispersal unit without trichomes; F, fruit; T, trichomes.
