Cucurbita (Squash)

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Cucurbita (Squash)
Plant Anatomy James Craig
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Strawberry
Chirimen
Black Futsu
Patisson Strie
Galeux d'Eysines
Red Warty Thing
BACKGROUND Herbatious dicotyledon Appears to
be one of the first domesticated species. The
oldest remains have been found in Mexico, 8750
BC Brought to Europe in the 1500's by Spanish
and French Explorers. Thousands of varieties
of squash
Blue Hubbard
http//www.felcopruners.net/catalog.0.html3.0.html
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Cotyledon
Primary Vein
Secondary Vein
Tertiary Vein
Spongy Mesophyll
Palisade Cells
Leaf Dorsiventral Net Venation pattern 2 layers
of palisade cells
Vein
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Cotyledon Leaf Peels
Stomata Raised Anomocytic (no subsidiary
cells)
Adaxial
Stomata
Wavy/Crenulated Cells
Abaxial
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Paradermal section
Palisade Cells
Epidermis
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Internal Phloem
Vascular Cambium
Xylem
External Phloem
Parenchyma
Perivascular Fibers
Darkly Stained Companion Cells
Stem 2ndary growth
Stem Vascular Bundle 10X (Toluidine Blue-O)
Open System Bicollateral Very small amount of
2ndary growth which is limited to the
vascular bundle 2ndary Phloem occurs only in the
external phloem
10x
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Transverse Stem 20X Toluidine Blue-O
Perivascular Fibers
Epidermis
Angular Collenchyma
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Xylem
Sieve Plates
Phloem
Methylene Blue
Toluidine Blue-O
Stem Longitudinal Section 10x
Sieve Plate
anubis.ru.ac.za/virtualplant/anatomy/prac1a.htm
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Stem To Root Transition Toluidine Blue-O
Pith cavity
4x
4x
4x
4x
10x
10x
Tetrarch
4x
10x
10x
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Differentiation Zone
Adventitious Root
Root Hair Zone
4x
4x
Vascular Vein
Toluidine Blue-O 4x
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Root Cap
Quiescent Center
Central Cylinder
Apical Initials
Cortex
Rhizodermis
Protoderm
10x Wholemount
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Apical Meristem
Leaf Primordia approximately 10 total
Apical Meristem 20X
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Multicellular Uniseriate Trichomes
Secretory Trichomes
Stalked Capitate Head
Capitate Head
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Oil Droplet
Apertures
Exine
Pollen Grains 20x (Toluidine Blue-O)
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Flower Multicellular Uniseriate
Trichomes (Toluidine Blue-O)
Yellow/Orange Pigment
10x
20x
20x
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Cucurbitis Fruit Cross-section 4X (Toluidine
Blue-O)
Primary Vascular Bundles
Filling Tissue
Phellogen
Periderm
Lenticel
20x
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Bibliography
Exercise 1 the stem - variation in structure.
anubis.ru.ac.za/virtualplant/anatomy/prac1a.htm H
arvest Moon Farms Seed Company.
http//www.felcopruners.net/catalog.0.html3.0.html
Cucurbitis. http//www.hort.purdue.edu/newcrop/
1492/cucurbits.html I. Agbagwa and B. Ndukwu.
The value of morpho-anatomical features in the
systematics of Cucurbita L. (Cucurbitaceae)
species in Nigeria. African Journal of
Biotechnology. Vol. 3 pp. 541-546, October
2004 Katherine Esau. Plant Anatomy. John Wiley
Sons, Inc, New York. 1965 Richard Crang
Andry Vassilyev. Plant Anatomy. McGraw Hill
Companies Inc. 2003