Textbook of Theoretical Botany, Volume 2 |
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Page 1131
... androecium or gynoecium , through regressive degrees of imperfect development , towards the complete disappearance of one or the other . It is inconceivable that such a series of intermediate stages can be read otherwise than as a ...
... androecium or gynoecium , through regressive degrees of imperfect development , towards the complete disappearance of one or the other . It is inconceivable that such a series of intermediate stages can be read otherwise than as a ...
Page 1167
... ANDROECIUM AND THE STAMENS " " The position of the androecium , by which name we signify collectively the stamens , or the " male attire of the flower , as some early authors called it , is typically between the innermost petals and the ...
... ANDROECIUM AND THE STAMENS " " The position of the androecium , by which name we signify collectively the stamens , or the " male attire of the flower , as some early authors called it , is typically between the innermost petals and the ...
Page 1178
... androecium appears to have been a general feature of floral evolution , especially in the Dicotyledons . Indefinitely large numbers of stamens are characteristic of only a few families with simple , actinomorphic flowers , while in the ...
... androecium appears to have been a general feature of floral evolution , especially in the Dicotyledons . Indefinitely large numbers of stamens are characteristic of only a few families with simple , actinomorphic flowers , while in the ...
Contents
FLOWERS | 1071 |
POLLINATION AN INTRODUCTION | 1252 |
SEEDS FRUITS AND SEEDLINGS | 1481 |
2 other sections not shown
Common terms and phrases
actinomorphic anatropous androecium Angiosperms anthers antipodal apex axile axis basal base bracts calyx capsule carpels cells colour common contains corolla corolla tube cotyledons cross-pollination cultivated dehisce Dicotyledons dispersal distributed elongated embryo sac enclosed endosperm example female flowers fertilization filaments fleshy floral florets Flowering shoot flowers Fig fruit funicle gardens genera genus germination gynoecium hairs herbs hermaphrodite hypocotyl important inflorescence inner insect integument involucre later layer leaf leaves lobes loculus male flowers margins mature micropyle Monocotyledons nectar Nectar is secreted normal nucellus nuclei occur oosphere outer ovary ovules parietal perianth perianth segments petaloid petals placenta plants pollen grains pollen tube pollination mechanism produced rarely receptacle rhizome seeds self-pollination sepals separate showing shrubs single sometimes species stage stamens stem sterile stigma structure style sub-family surface testa tissue trees tropical unisexual usually vegetative visited wall whorl zygomorphic