Textbook of Theoretical Botany, Volume 2 |
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Page 1404
... mature embryo sac is of a normal eight - nucleate type and , by the time it is mature , all the nucellus , except at the base , has been resorbed and the synergidae push up into the micropyle . The Development of the Embryo Sac The ...
... mature embryo sac is of a normal eight - nucleate type and , by the time it is mature , all the nucellus , except at the base , has been resorbed and the synergidae push up into the micropyle . The Development of the Embryo Sac The ...
Page 1585
... mature foliage . Examples are : Paeonia , Hepatica , Hedera , Ampelopsis , and Salix . In many others there is a gradual transition from simpler forms towards the mature form , as may also be seen in some buds of trees . This is ...
... mature foliage . Examples are : Paeonia , Hepatica , Hedera , Ampelopsis , and Salix . In many others there is a gradual transition from simpler forms towards the mature form , as may also be seen in some buds of trees . This is ...
Page 2111
... mature column with the shrivelled remains of the anther exposing the two pollinia . The clinandrum forms a shield ... mature the anthers shrivel leaving the two pollinia exposed . Each pollinium consists of a pair of very thin plates of ...
... mature column with the shrivelled remains of the anther exposing the two pollinia . The clinandrum forms a shield ... mature the anthers shrivel leaving the two pollinia exposed . Each pollinium consists of a pair of very thin plates of ...
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