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INFLORESCENCE ARCHITECTURE AND FLOWER SEX RATIOS IN SAGITTARIA BREVIROSTRA (ALISMATACEAE)
Author(s) -
Kaul Robert B.
Publication year - 1979
Publication title -
american journal of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.218
H-Index - 151
eISSN - 1537-2197
pISSN - 0002-9122
DOI - 10.1002/j.1537-2197.1979.tb06322.x
Subject(s) - inflorescence , biology , botany , pollination , pollen
Two populations of Sagittaria brevirostra from the same lake were sampled 10 years apart and yielded similar data on inflorescence structure and on numbers and ratios of male and female flowers. Larger inflorescences have relatively more male than female flowers than do smaller inflorescences. Pollination success is unrelated to inflorescence size or sex ratio within an inflorescence.