Textbook of Theoretical Botany, Volume 2 |
From inside the book
Results 1-3 of 84
Page 1225
... ovules are attached to the bottom of the loculus , or pendulous placentation , where the ovule or ovules appear to hang from the top of the loculus . A fifth method of attachment is also possible , in which the placenta appears to cover ...
... ovules are attached to the bottom of the loculus , or pendulous placentation , where the ovule or ovules appear to hang from the top of the loculus . A fifth method of attachment is also possible , in which the placenta appears to cover ...
Page 1392
... ovule is epitropous , if downwards it is hypotropous , and if directed horizontally it is pleurotropous . Basal ovules may be either orthotropous or anatropous but pendulous ovules , attached at the apex of the ovary , are invariably ...
... ovule is epitropous , if downwards it is hypotropous , and if directed horizontally it is pleurotropous . Basal ovules may be either orthotropous or anatropous but pendulous ovules , attached at the apex of the ovary , are invariably ...
Page 1394
... ovule and the foliar nature of the carpel was accepted almost with- out question as a basis of argument . Thus , if the first theory were correct , then ovules , being buds , could not be borne directly on foliar carpels . As ovules are ...
... ovule and the foliar nature of the carpel was accepted almost with- out question as a basis of argument . Thus , if the first theory were correct , then ovules , being buds , could not be borne directly on foliar carpels . As ovules are ...
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