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Annals of Botany 23: 211-216, 1959
© 1959 Annals of Botany Company


RESEARCH-ARTICLE

Floral Abnormalities in BroccoliI

D. R. SAMPSON and MARY MACARTHUR

Floral abnormalities, which apparently arise spontaneously in green sprouting broccoli, are described. Several types of abnormalities may develop on a racerne. Conspicuous among these are flowers with united sepals which bear ovules ventrally on placentae along the lines of sepal union, and pads of stigmatic tissue at the apices of the sepals. Other abnormalities include open, boat-shaped gynoecia, and irregular terminal structures suggestive of laterally united gynoecia. Developmental aspects of the abnormalities are discussed and their morphogenetic implications are noted.


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