Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleDIRECTIONAL SELECTION ON INITIAL FLOWERING DATE IN PHYLOX DRUMMONDII (POLEMONIACEAE).AuthorsKelly, Martin G.; Levin, Donald A.AbstractPresents information on a study which determined the effects of different flowering dates on individual fitness in an annual plant species, Phlox drummondii. Materials and methods used; Results; Discussion.SubjectsPHLOX; FLOWERING of plantsPublicationAmerican Journal of Botany, 2000, Vol 87, Issue 3, p382ISSN0002-9122Publication typeArticleDOI10.2307/2656634