1 Plant Morphology • Shoot System • winter twigs • leaf morphology • Root System • root architecture • modified roots Bot 101 Botany: A Human Concern Two Integrated Organ Systems Basic Plant Morphology (definition) - Shoot System Root System 1. 2. Root System tap, lateral, adventitious roots • anchorage • storage root hairs • elemental mineral uptake • water absorption Shoot System leaves • light, CO 2 capture • (photosynthesis!) stems • support • transport flowers • sexual reproduction • pollinator attraction Organ Systems: Function The Shoot System modular construction The Shoot System Stems • basic structure winter twig terminal bud leaf scar axillary bud node internode lenticels bud scars ? internode