Clipart illustrations of general plant botany. For more specific botanical and cellular plant images, please see our flowers and shrubs section, or our trees gallery.
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Root, Bulbous
A bulbous root.... |
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Root, Creeping
A creeping root.... |
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Root, Fibrous
A fibrous root.... |
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Root, Premorse
A premorse (or abruptly ending) root.... |
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Root, Spindle
A spindle root.... |
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Root, Tap
A taproot.... |
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Root, Tuberous
A tuberous root.... |
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Roots in Soil
"Diagram to illustrate a root-hair (h) in the soil, and its relation to the soil-particles, the capillary film of water (w), and the air spaces (a); e, epidermal cell of the root, of which the root-ha... |
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Roots, Fascicled
Fascicled roots.... |
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Roots, Fibrous
Fibrous roots.... |
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Rot, Brown
Sometimes known as Brown Rot, Monilinia fructigena is a plant pathogen. "Sclerotinia fructigena. a, the conidial form known as Monilia." -Whitney, 1911... |
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Silicles
"Silicles. 1. Of Shepherd's-purse (Bursa Bursa-pastoris). 2. Same, opened, to show the placentae, the seeds, and the two valves. 3. Of Vernal Whitlow-grass, Draba verna. 4. Same, opened, to show the v... |
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Skeletal Tissues, Plant
"Diagram showing the progressive development of the skeletal tissues from the apex toward the base of the stem." -Stevens, 1916... |
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Starch
"Starch from different sources. A, curcuma starch; B, corn starch; C, tapioca starch; D, rice starch, showing compound grains." -Stevens, 1916... |
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Stem, Articulated
An articulated or jointed stem.... |
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Stem, Creeping
A creeping stem.... |
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Stem, Square
A square stem.... |
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Stem, Triangular
A triangular stem.... |
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Stem, Twining
A twining stem, or vine.... |
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Stoma
"A typical stoma in cross section and surface view combined. k, guard cell; j, the gap or stoma between the guard cells; l, epidermal cell bordering a guard cell." -Stevens, 1916... |
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Stoma Guard Cells
"A, diagram showing relative position of the guard cells in cross section in the open and closed positions; the heavier line indicates the open position." -Stevens, 1916... |
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Stomata Formation
"B and C, early stages in the formation of stomata; at s, mother cells of guard cells are shown. D, s, s, two guard cells formed by the division of a mother cell." -Stevens, 1916... |
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Stone Cells 1
First developmental stage of stone cells: "1, in the primary meristem condition." -Stevens, 1916... |
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Stone Cells 2
Second developmental stage of stone cells: "2, the cells have enlarged and the walls have begun to thicken and become pitted." -Stevens, 1916... |
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Stone Cells 3
Third and final developmental stage of stone cells: "3, The walls are completed. The primary wall is black, cellulose additions white, and the lignified walls in 3 are stippled. Notice that the protop... |