Textbook of Theoretical Botany, Volume 2 |
From inside the book
Results 1-3 of 70
Page 1316
... visited only by a single group of insects , some indeed only by a single species . Lythrum salicaria , for example , is usually only visited by a single species of bee , which rarely visits anything else . Scrophularia nodosa is almost ...
... visited only by a single group of insects , some indeed only by a single species . Lythrum salicaria , for example , is usually only visited by a single species of bee , which rarely visits anything else . Scrophularia nodosa is almost ...
Page 1331
... visits of these latter insects . Many of the flowers visited by butterflies are pink , red or violet in colour , but the total number regularly visited , as distinct from those settled on occasionally , is quite small . Müller , for ...
... visits of these latter insects . Many of the flowers visited by butterflies are pink , red or violet in colour , but the total number regularly visited , as distinct from those settled on occasionally , is quite small . Müller , for ...
Page 1923
... visited by an insect , self - pollination is possible , for as the stigmatic lobes diverge they come into contact with the stamens . Most of the other genera in this sub - family are visited by humble bees and their flowers are adapted ...
... visited by an insect , self - pollination is possible , for as the stigmatic lobes diverge they come into contact with the stamens . Most of the other genera in this sub - family are visited by humble bees and their flowers are adapted ...
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