General Leaf Form

Question 1

-Flat, broad part of the leaf (contains veins).
-Main site of photosynthesis and gas exchange.

Answer 1

Blade (aka Lamina)

Question 2

-Join the leaf to a stem node.
-Supports the blade and transports water, nutrients, and food.

Answer 2

Petiole (the Stalk)

Question 3

-a tubular structure formed at the base of the leaf that encircles the stem.

Answer 3

Leaf Sheath

Question 4

-Are the first leaves that appear on a seedling when it germinates.
-Provide nutrients until the true leaves develop, which take over the main photosynthetic duties.

Answer 4

Cotyledons (seed leaf)

Question 5

-1 cotyledon
- Leaf venation: parallel veins
-Leaf shape: longer & slender blades
-Flower parts: multiple of 3
-Root system: Fibrous roots (many thin roots)

Answer 5

Monocot (Monocotyledons)

Question 6

2 cotyledons
Leaf venation: multi-branched network of major veins (reticulate venation)
Leaf shape: palmate
Flower parts: multiples of 4 or 5
Root system: Taproot (a large central root)

Answer 6

Dicot (Dicotyledons)