Textbook of Theoretical Botany, Volume 2 |
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Page 1236
... hairs than those of insect - pollinated flowers and these hairs are often multicellular . They act mechanically as pollen - collectors and produce little or no excretion . Hairs of another sort are produced on the styles or stigmas of ...
... hairs than those of insect - pollinated flowers and these hairs are often multicellular . They act mechanically as pollen - collectors and produce little or no excretion . Hairs of another sort are produced on the styles or stigmas of ...
Page 1555
... hairs which form a plume , as in Clematis ( Fig . 1416 ) and some species of Anemone , where the hairs grow greatly in length as the akenes ripen . Some other species of Anemone of tall habit have hairs on the carpel itself , which form ...
... hairs which form a plume , as in Clematis ( Fig . 1416 ) and some species of Anemone , where the hairs grow greatly in length as the akenes ripen . Some other species of Anemone of tall habit have hairs on the carpel itself , which form ...
Page 1561
... hairs or by stickiness . Hairs and bristles may be a means of pro- tection rather than of dispersal , especially in the unripe condition of the fruit , when it is desirable that the seeds should be protected from distur- bance ...
... hairs or by stickiness . Hairs and bristles may be a means of pro- tection rather than of dispersal , especially in the unripe condition of the fruit , when it is desirable that the seeds should be protected from distur- bance ...
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