Textbook of Theoretical Botany, Volume 2 |
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Page 1143
... bracts , in two decussate pairs , set very close to the flower and resembling a calyx . The Ranunculaceae display all types of involucre , from the spiral series of bracts in Paeonia illustrated in Fig . 1119 , and the wide , leafy ...
... bracts , in two decussate pairs , set very close to the flower and resembling a calyx . The Ranunculaceae display all types of involucre , from the spiral series of bracts in Paeonia illustrated in Fig . 1119 , and the wide , leafy ...
Page 1158
... bracts in a whorl . The difference between such a whorl of bracts and an involucre ( see p . 1142 ) is only a matter of degree , the bracts which form an involucre being rather less close to the calyx , as in Anemone hepatica and ...
... bracts in a whorl . The difference between such a whorl of bracts and an involucre ( see p . 1142 ) is only a matter of degree , the bracts which form an involucre being rather less close to the calyx , as in Anemone hepatica and ...
Page 1669
... Bracts usually shed early . Erythrina , Apios , Mucuna . 3. Galactieae . Inflorescences of interrupted racemes or broad panicles . Bracts dropping very early . Calyx usually four - lobed , the two posterior united into one . Posterior ...
... Bracts usually shed early . Erythrina , Apios , Mucuna . 3. Galactieae . Inflorescences of interrupted racemes or broad panicles . Bracts dropping very early . Calyx usually four - lobed , the two posterior united into one . Posterior ...
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