Phloem Sieve Tube

Tubes transporting sugars and nutrients throughout the plant.

Key Functions:

• Transports sugars and organic compounds.
• Facilitates phloem transport.
• Supported by companion cells.

Interacting Systems & Components:

• Companion Cell (supported by)
• Phloem Transport (part of)
• P-Proteins (contains)
• Stelar Parenchyma (supported by)