plant cell types - saddleback college · dicot & monocot stem x section ground meristem ......
TRANSCRIPT
![Page 1: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/1.jpg)
4B: Plant Structure
Plant Cell Types
Parenchyma Sclerenchyma Collenchyme
![Page 2: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/2.jpg)
Coleus stem tip
Dicot & Monocot Stem X section
Ground meristem
Pith
Procambium
Xylem
Phloem
Protoderm
Apical meristem
Leaf primordial
Axillary bud
![Page 3: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/3.jpg)
Monocot stem
Dicot stem
Vascular Bundle (Xylem & Phloem)
Phloem
Sclerenchyma
Ground meristem
Xylem
Sieve Tube Member Companion Cell
Phloem Sclerenchyma
Cap
Xylem
Vascular cambium btn xylem & phloem
![Page 4: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/4.jpg)
Secondary Growth – herbaceous stems
Hardwood (angiosperm vessel elements) vs softwood (gymnosperms tracheids)
![Page 5: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/5.jpg)
Modified stems:
Rhizome stolons
bulbs tubers
Heartwood (inner xylem)
Sapwood (outer xylem)
![Page 6: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/6.jpg)
ROOTS
Dicot root Monocot Root
Cortex
Epidermis
Vascular Cylinder/Stele
Phloem
Xylem
Pericycle
Root cap
Quiescent center
Apical meristem
Zone of Cell Division
![Page 7: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/7.jpg)
Root types
Taproot (dicot) Fibrous (monocot) Adventitious root
![Page 8: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/8.jpg)
Lateral roots
LEAVES
Leaf epidermis
Guard cells
Stomata
![Page 9: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/9.jpg)
Dicot leaf
Monocot leaf
Palisades Parenchyma
Spongy Parenchyma
Midrib
Upper epidermis (Thicker)
Lower epidermis (Thinner)
Xylem
Phloem
Vascular bundles
Phloem
Xylem
Guard cells
Stomata
![Page 10: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/10.jpg)
Leaf Venation
Parallel venation (monocot) Pinnate venation (dicot) Palmate venation (dicot)
Leaf structure
![Page 11: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/11.jpg)
Simple vs Compound leaves look for the axillary buds
Pinnately Compound leaf Palmately Compound leaf
Pinnately Palmately
![Page 12: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/12.jpg)
Leaf Arrangement
Alternate Opposite Whorled
Modified leaves
![Page 13: Plant Cell Types - Saddleback College · Dicot & Monocot Stem X section Ground meristem ... Secondary Growth – herbaceous stems ... Lateral roots LEAVES Leaf epidermis Guard cells](https://reader030.vdocuments.net/reader030/viewer/2022021518/5b87b0527f8b9aaf728bed96/html5/thumbnails/13.jpg)
Spines Tendrils
Monocots- one cotyledon (seed leaf), vascular bundles scattered in the pith, flower parts in threes, leaves with parallel venation Dicots- two cotyledons, vascular bundles in a ring, flower parts in4’s, 5’s, or multiples, leaves with net venation
Axillary bud