Textbook of Theoretical Botany, Volume 2 |
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Page 1200
... dehisce by the action of their outer wall layer , or exothe- cium , with the single exception of Ginkgo , while the great majority of Angiosperms dehisce by the action of the inner , endothecial layer . Excep- tions to this rule among ...
... dehisce by the action of their outer wall layer , or exothe- cium , with the single exception of Ginkgo , while the great majority of Angiosperms dehisce by the action of the inner , endothecial layer . Excep- tions to this rule among ...
Page 1535
... dehisce by one or other of these methods . The exceptional cases may be mostly classified under the three following types . Porose : the carpel walls open by means of small localized openings , where the tissues split apart . A common ...
... dehisce by one or other of these methods . The exceptional cases may be mostly classified under the three following types . Porose : the carpel walls open by means of small localized openings , where the tissues split apart . A common ...
Page 1831
... dehisce they lie close to the stigmatic branches . Later the two others dehisce similarly so that automatic self- pollination is inevitable . Moreover this process takes place early in the morning , within an hour of the opening of the ...
... dehisce they lie close to the stigmatic branches . Later the two others dehisce similarly so that automatic self- pollination is inevitable . Moreover this process takes place early in the morning , within an hour of the opening of 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