Inside stems I. Herbaceous stems A. Epidermis B. Cortex and pith C. Vascular bundles: primary xylem...

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Inside stems I. Herbaceous stems A. Epidermis B. Cortex and pith C. Vascular bundles: primary xylem and phloem II. Stem thickening: wood A. Development of vascular cambium B. Cork cambium C. Other features of wood 1. sapwood and heartwood 2. vascular rays 3. growth rings III. Monocot stems

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Transcript of Inside stems I. Herbaceous stems A. Epidermis B. Cortex and pith C. Vascular bundles: primary xylem...

Page 1: Inside stems I. Herbaceous stems A. Epidermis B. Cortex and pith C. Vascular bundles: primary xylem and phloem II. Stem thickening: wood A. Development.

Inside stemsI. Herbaceous stems

A. EpidermisB. Cortex and pithC. Vascular bundles: primary xylem and phloem

II. Stem thickening: woodA. Development of vascular cambiumB. Cork cambiumC. Other features of wood

1. sapwood and heartwood2. vascular rays3. growth rings

III. Monocot stems

Page 2: Inside stems I. Herbaceous stems A. Epidermis B. Cortex and pith C. Vascular bundles: primary xylem and phloem II. Stem thickening: wood A. Development.

I. Herbaceous stemsA. EpidermisB. Cortex and pithC. Vascular bundles: primary xylem and phloem

cuticle

cortex

Page 3: Inside stems I. Herbaceous stems A. Epidermis B. Cortex and pith C. Vascular bundles: primary xylem and phloem II. Stem thickening: wood A. Development.

II. Stem thickening: wood

A. Development of vascular cambiumB. Cork cambium

Page 4: Inside stems I. Herbaceous stems A. Epidermis B. Cortex and pith C. Vascular bundles: primary xylem and phloem II. Stem thickening: wood A. Development.

C. Other features of wood

1. sapwood and heartwood2. vascular rays3. growth rings

Page 5: Inside stems I. Herbaceous stems A. Epidermis B. Cortex and pith C. Vascular bundles: primary xylem and phloem II. Stem thickening: wood A. Development.

Conifer wood and dicot wood

Tracheids Vessel elements

Page 6: Inside stems I. Herbaceous stems A. Epidermis B. Cortex and pith C. Vascular bundles: primary xylem and phloem II. Stem thickening: wood A. Development.

III. Monocot stems

Page 7: Inside stems I. Herbaceous stems A. Epidermis B. Cortex and pith C. Vascular bundles: primary xylem and phloem II. Stem thickening: wood A. Development.

The end


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