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2019-2020

PLANT MORPHOLOGY LAB.

Dr. Aydan ACAR ŞAHİN

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Angiosperm Stem

Angiosperm wood

1. Wood is complex and heterogenous.

2. Vessels are seen in plenty (Trachea (vessel members)+tracheids+ fibre-tracheids,

libriform fibre and wood-parenchyma. ).

3. It is porous in nature and is called hard wood.

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Late wood Early wood Sclerenchyma Dilated floem ray Periderm Secondary xylem

Subject: Secondary Growth in Stem Sub subject: Angiosperm stem

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Dilated floem ray

Cambium

Trachea Sieve tube cell

Sclerenchyma

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