Textbook of Theoretical Botany, Volume 2 |
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Page 1214
... leaf rather than that of a leaf of normal type , though the three modes of growth characteristic of leaf primordia , namely , longitudinal growth , marginal growth and growth in thickness , proceed in the same order . Troll has shown ...
... leaf rather than that of a leaf of normal type , though the three modes of growth characteristic of leaf primordia , namely , longitudinal growth , marginal growth and growth in thickness , proceed in the same order . Troll has shown ...
Page 1585
... leaf form appears suddenly at the fifth or sixth node . In Monocotyledons there may be a similar gradual appearance of full leaf development , the first leaves often having a well - formed sheath , but little or no leaf blade . The ...
... leaf form appears suddenly at the fifth or sixth node . In Monocotyledons there may be a similar gradual appearance of full leaf development , the first leaves often having a well - formed sheath , but little or no leaf blade . The ...
Page 1596
... leaf and is , in fact , the only leaf usually produced by the plant . Its thickened petiole forms a prolongation of the hypocotyl , pushing aside the other cotyledon and the plumule , which abort and disappear . In some species even the ...
... leaf and is , in fact , the only leaf usually produced by the plant . Its thickened petiole forms a prolongation of the hypocotyl , pushing aside the other cotyledon and the plumule , which abort and disappear . In some species even 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