Types of Leaf Forms

Question 1

leaves may also be formed of lobes where the gaps between lobes do not reach to the main vein.

Answer 1

simple leaf

Question 2

forming leaflets that are attached to the middle vein but have their own stalks.

Answer 2

compound leaf

Question 3

The leaflets of _____________ leaves radiate
outwards from the end of the petiole.

Answer 3

palmately-compound

Question 4

They have their leaflets arranged along the middle vein

Answer 4

Pinnately-compound

Question 5

leaves have their leaflets arranged along a secondary vein,
which is one of several veins branching off the middle vein.

Answer 5

Bipinnately-compound (double-compound)

Question 6

also known as double-compound

Answer 6

Bipinnately-compound

Question 7

a leaf with an undivided blade

Answer 7

simple leaf

Question 8

a leaf where the blade is divided, forming leaflets.

Answer 8

compound leaf

Question 9

leaf that has its leaflets radiating outwards from the end of the petiole.

Answer 9

Palmately compound leaf

Question 10

a leaf where the leaflets are arranged along the middle vein.

Answer 10

Pinnately compound leaf

Question 11

The two basic forms of leaves that can be
described considering the way the blade (or lamina)
is divided.

Answer 11

simple leaf and compound leaf

Question 12

In _____________, the lamina is continuous.

Answer 12

simple leaves

Question 13

example of a plant with simple leaves

Answer 13

banana plant (Musa sp.)

Question 14

In ___________, the lamina is separated into leaflets

Answer 14

compound leaves

Question 15

Two types of compound leaves

Answer 15

palmate and pinnate

Question 16

example of a plant with palmately compound leaves

Answer 16

horse chestnut (Aesculus hippocastanum)

Question 17

In this kind of leaves, the leaflets branch from the petiole.

Answer 17

palmately compound leaves

Question 18

In this kind of leaves, the leaflets branch from the midrib.

Answer 18

pinnately compound leaves

Question 19

example of a plant with pinnately compound leaves

Answer 19

scrub hickory (Carya floridana)

Question 20

In this kind of leaves, the leaflets branch from the veins.

Answer 20

double compound leaves

Question 21

example of a plant with double compound leaves

Answer 21

honey locust

Question 22

In this kind of leaves, leaflets branch from the veins.

Answer 22

double compound leaves

Question 23

example of a simple leaf plant that has lobes

Answer 23

maple leaf

Question 24

Each leaflet in a compound leaf is attached to
the ______ (middle vein), but may have its own stalk

Answer 24

Rachis

Question 25

examples of plants with palmately compound leaves

Answer 25

poison ivy, the buckeye tree, Schefflera sp. (umbrella plant)

Question 26

they take their name from their feather-like appearance

Answer 26

Pinnately compound leaves

Question 27

example of plants with pinnately compound leaves

Answer 27

rose, hickory, pecan, ash, or walnut trees

Question 28

In a pinnately compound leaf, the middle vein is called
the ________.

Answer 28

midrib

Question 29

_______ leaves are twice divided; the leaflets are
arranged along a secondary vein

Answer 29

Bipinnately compound leaves

Question 30

Each leaflet is called a _________. The ______ on one
secondary vein are called _______.

Answer 30

pinnule, pinnules, pinna

Question 31

example of a plant with bipinnately compound leaves

Answer 31

Silk tree (Albizia)