Plant Anatomy: Understanding Plant Parts, Stems, Leaves, and Roots, Slides of Biology

Download Plant Anatomy: Understanding Plant Parts, Stems, Leaves, and Roots and more Slides Biology in PDF only on Docsity! Plant Parts Docsity.com What are the parts of a plant? Node: swollen part of stem where buds form (leaves or stems grow here) Cotyledons: leaves formed at first node (cotyledonary node) Docsity.com What are the types of stems? 1) Woody Stem: trees, shrubs, woody perennials 2) Grass Stem: hollow or filled 3) Herbaceous Stem: like woody but softer (clover, alfalfa) 4) Modified Stem: Docsity.com Types of Modified Stems • Bulbs: (onion) • Tubers: (potato) • Stolons: above ground runner (strawberry) • Rhizomes: below ground runners (field bindweed or creeping jenny) Docsity.com What are the functions of stems? 1) transport water, nutrients, sugars 2) support leaves 3) store food Docsity.com Bud Arrangements – Alternate (alfalfa) – Opposite (beans) – Whorled (not common) Docsity.com What is Apical Dominance? • apical bud tries to make plant grow taller or longer • if we remove apical bud, we remove the apical dominance Docsity.com What are leaves? * undergo photosynthesis, exchange gases Docsity.com What are the different types of compound leaves? • Palmately compound Docsity.com What are the different types of compound leaves? • Pinately compound Docsity.com What are the different types of compound leaves? • Trifoliate (alfalfa) Docsity.com What are the types of root systems? -Taproot: one main root, has no nodes – (carrot, evergreen, kochia) -Fibrous root: many nodes, branching root system (grasses) Docsity.com To help prevent soil erosion, which root system would be best? • Fibrous Docsity.com What are the parts of a grass plant? • Leaves = Sheath is the part of leaf that wraps around the stem • Joints = internodes • Culm = stems Docsity.com