plant tax lab quiz 6

How do you distinguish between Monocots and Dicots by seed leaves?

Dicots have 2 cotyledons

Monocots have 1

How do you distinguish between Monocots and Dicots by leaf venation?

Dicot leaves are oval/palmate with net-like veins

Monocot leaves are narrow with parallel veins

How do you distinguish between Monocots and Dicots by root structure?

Dicots have tap roots

Monocots have fibrous roots

How do you distinguish between Monocots and Dicots by flower part numbers?

Dicot flowers have 4-5 floral parts (or multiples of 4-5 floral parts)

Monocot flowers have 3 floral parts (or multiples of 3)

Primary Roots

Tap and storage

Adventitious Roots

Fibrous, prop, and haustorial

Root type and modification

Tap

Root type and modification

Storage

Root type and modification

Fibrous

Root type and modification

Prop

Root type and modification

Haustorial

Pneumatophores

Cypress Knees (help the cypress trees get oxygen and provide stability in swampy soil)

Type of Underground Stem Modification

Bulb

Type of Underground Stem Modification

Corm

Type of Underground Stem Modification

Rhizome

Type of Underground Stem Modification

Stolon/runner

Type of Underground Stem Modification

Tuber

Type of Aboveground Stem Modification

Thorn

Type of Aboveground Stem Modification

Tendril

Type of Aboveground Stem Modification

Caudex

Type of Aboveground Stem Modification

Fascicle

Type of Aboveground Stem Modification

Cladode

The Ant Plant

Has a tunnel-filled caudex adapted to host an ant colony. In return, the ants protect the plant from predators.

Thorns

modified stems or shoots (contain vascular tissue, thick/hard)

Prickles

outgrowth of the plant’s skin (no vascular tissue, wide bases)

Spines

modified leaves or stipules (contain vascular tissue, thin)