1Organization of Plant Body

2Vegetative Organs of Several Eudicots

3Flowering Plants:Monocots or

Eudicots

4Modifications of Epidermal Tissue

5Ground Tissue Cells

6Xylem Structure

7Phloem Structure

8Eudicot Roots

9Branching of Eudicot Root

10Monocot Root

Plant Structure Plant Structure and and

OrganizationOrganization11

Root DiversityRoot Diversity

Primary root (taproot) - Fleshy, long Primary root (taproot) - Fleshy, long single root, that grows straight downsingle root, that grows straight down

Stores foodStores food

Fibrous root system - Slender roots Fibrous root system - Slender roots and lateral branchesand lateral branches

Anchors plant to soilAnchors plant to soil

Adventitous roots - Roots develop Adventitous roots - Roots develop from organs of the shoot systemfrom organs of the shoot system

Prop roots & Climbing rootsProp roots & Climbing roots

Plant Structure Plant Structure and and

OrganizationOrganization

Root TypesRoot Types

12

Tap RootFibrous Root

Adventitious Roots

Prop Root Climbing Root

Plant Structure Plant Structure and and

OrganizationOrganization13

Root DiversityRoot DiversityHaustoria:Haustoria:

Rootlike projections that grow into host Rootlike projections that grow into host plantplant

Make contact with vascular tissue and Make contact with vascular tissue and extract water and nutrientsextract water and nutrients

Mycorrhizas:Mycorrhizas:

Associations between roots and fungiAssociations between roots and fungi

Assist in water and mineral extractionAssist in water and mineral extraction

Root nodules - Contain nitrogen-fixing Root nodules - Contain nitrogen-fixing bacteriabacteria

14Root Diversity

15Woody Twig

16Shoot tip and Primary Meristems

17Herbaceous Eudicot Stem

18Monocot Stem

19Secondary Growth of Stems

20Three-year-old Woody Twig

21Tree Trunk

22Stem Diversity

23Leaf Structure

24Classification of Leaves

25Leaf Diversity

Plant Structure Plant Structure and and

OrganizationOrganization26

ReviewReviewPlant OrgansPlant Organs

Roots Roots

StemsStems

LeavesLeaves

Monocots vs. Monocots vs. EudicotsEudicots

Epidermal TissueEpidermal Tissue

Vascular TissueVascular Tissue

RootsRootsOrganizationOrganizationDiversityDiversity

StemsStemsOrganizationOrganizationDiversityDiversity

LeavesLeavesOrganizationOrganizationDiversityDiversity