Overview / 简介: |
| Gr. 4^-7. It is the pictures of brilliantly colored asters, thistles, daisies, and, of course, sunflowers that will engage the reader in this succinct study of the composite family in the Nature Watch series. The plainly written, logically organized text covers physical characteristics, reproduction, and adaptation. The author also makes a case for caring about endangered plants by highlighting the interdependence of plants with animals. Many (but not all) key terms appear in boldface type. There is a glossary and a pronunciation guide, but the lack of documentation--not even a bibliography--is a glaring omission Latin and common names are provided for most flora. For larger collections. |
From Organization / 国外机构评价: |
| Grade 3-6?The real topic of this lively and lovely book is the varied and adaptable Compositae family rather than just its namesake member, the sunflower. With over 25,000 species spread throughout the world, the composite family counts only 18 sunflowers in its ranks. This volume describes the distinct characteristics of the composites, chief of which is their many flowers or florets that often seem to be just a small part of what we see as a larger flower. The making and dispersal of seeds is discussed and dazzlingly illustrated with full-color photos and diagrams. The great variations within the family are demonstrated by displaying some of the members: sagebrush, dandelion, thistle, and ragweed. The many uses of composites as food, lubricant, and pesticide are discussed. This is an excellent introduction to plant function and the concept of scientific grouping. Cynthia Overbeck's Sunflowers (Lerner, 1981; o.p.) gives the limelight to the magnificent sunflower only, covering plant function as well. Despite a bit of overlap, these books would work well in tandem to give a full picture of this corner of the plant kingdom. |
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