Identifying Plant Structures and Functions

The video tutorial explores the features of woody plants used for identification in winter, such as leaf arrangement, scars, buds, and twig characteristics. It covers the differences between alternate and opposite leaf arrangements, the significance of leaf and bundle scars, and the role of buds in plant growth. The tutorial also discusses twig armature, bud scales, terminal buds, stipules, lenticels, and pith, providing a comprehensive understanding of twig biology.

What is a key feature used to identify woody plants in both summer and winter?

• Root structure

• Bark texture

• Flower color

• Leaf arrangement

What is the term for the scar left where a leaf was attached to a twig?

• Stipule scar

• Bark scar

• Bundle scar

• Leaf scar

What are the small dot-like scars found within a leaf scar called?

• Vascular scars

• Twig marks

• Bundle scars

• Leaf nodes

What is the primary function of a bud on a twig?

• To store water

• To protect the twig

• To absorb sunlight

• To grow into a new branch or flower

What distinguishes a true terminal bud from a false terminal bud?

• Its color

• Its position and size

• Its texture

• Its age

What are stipules?

• Leaf-like appendages at the base of a leaf stalk

• Small holes in the twig

• Scars left by fallen leaves

• Buds for flowers

What are lenticels?

• Scars from fallen leaves

• Parts of the pith

• Breathing pores on twigs

• Types of buds

What is the pith of a twig primarily composed of?

• Vascular tissue

• Parenchyma

• Lenticels

• Bark

What characteristic of the pith is mentioned in the video?

• It is always partitioned

• It is continuous and homogeneous

• It is filled with air

• It is always small

Where can you find more resources on winter botany?

• Local library

• Ohio plants website

• Botanical gardens

• Online forums