Textbook of Theoretical Botany, Volume 2 |
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Page 1422
... fertilization but is often much greater afterwards and the big cells may persist , even into the ripe seed . Hepatica differs from other genera of the family in having a large group of antipodals , sometimes twenty - five cells , which ...
... fertilization but is often much greater afterwards and the big cells may persist , even into the ripe seed . Hepatica differs from other genera of the family in having a large group of antipodals , sometimes twenty - five cells , which ...
Page 1446
... fertilize the oosphere giving rise to a triploid embryo . Fertilization of an antipodal cell has already been referrred to and fertilization of synergids has been inferred from the occurrence of super- numerary embryos , which may ...
... fertilize the oosphere giving rise to a triploid embryo . Fertilization of an antipodal cell has already been referrred to and fertilization of synergids has been inferred from the occurrence of super- numerary embryos , which may ...
Page 1451
... fertilization of ovules by pollen tubes which do not carry the same complex of genes . It is more likely to be due to a combination of lethals in the homozygotes . The Interpretation of Double Fertilization The significance of the ...
... fertilization of ovules by pollen tubes which do not carry the same complex of genes . It is more likely to be due to a combination of lethals in the homozygotes . The Interpretation of Double Fertilization The significance 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