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  2. Stem-and-leaf display - Wikipedia

    en.wikipedia.org/wiki/Stem-and-leaf_display

    A stem-and-leaf display or stem-and-leaf plot is a device for presenting quantitative data in a graphical format, similar to a histogram, to assist in visualizing the shape of a distribution. They evolved from Arthur Bowley 's work in the early 1900s, and are useful tools in exploratory data analysis. Stemplots became more commonly used in the ...

  3. File:Leaf, Bud, and Stem Diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Leaf,_Bud,_and_Stem...

    File:Leaf, Bud, and Stem Diagram.svg. Size of this PNG preview of this SVG file: 430 × 599 pixels. Other resolutions: 172 × 240 pixels | 345 × 480 pixels | 551 × 768 pixels | 735 × 1,024 pixels | 1,471 × 2,048 pixels | 512 × 713 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.

  4. Plant stem - Wikipedia

    en.wikipedia.org/wiki/Plant_stem

    Node: A point of attachment of a leaf or a twig on the stem in seed plants. A node is a very small growth zone. Pedicel: Stems that serve as the stalk of an individual flower in an inflorescence or infrutescence. Peduncle: A stem that supports an inflorescence or a solitary flower. Prickle: A sharpened extension of the stem's outer layers, e.g ...

  5. Leaf - Wikipedia

    en.wikipedia.org/wiki/Leaf

    Leaf margin. Rachis. A leaf (pl.: leaves) is a principal appendage of the stem of a vascular plant, [ 1 ] usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", [ 2 ][ 3 ] while the leaves, stem, flower, and fruit collectively form the shoot system. [ 4 ]

  6. Plant morphology - Wikipedia

    en.wikipedia.org/wiki/Plant_morphology

    Plant morphology. Phytomorphology is the study of the physical form and external structure of plants. [1] This is usually considered distinct from plant anatomy, [1] which is the study of the internal structure of plants, especially at the microscopic level. [2] Plant morphology is useful in the visual identification of plants.

  7. Annual growth cycle of grapevines - Wikipedia

    en.wikipedia.org/wiki/Annual_growth_cycle_of...

    The bud of a Regent vine located between the stem and petiole.. The grape starts its annual growth cycle in the spring with bud break. In the Northern Hemisphere, this stage begins around March while in the Southern Hemisphere it begins around September when daily temperatures begin to surpass 10 °C (50 °F).

  8. File:Leaf Structure.svg - Wikipedia

    en.wikipedia.org/wiki/File:Leaf_Structure.svg

    English: The medium scale structure of a leaf featuring the major tissues; the upper and lower epithelia (and associated cuticles), the palisade and spongy mesophyll and the guard cells of the stoma. Vascular tissue (veins), made up of xylem, phloem and sheath cells, and example trichromes are also shown. The green spots within cells represent ...

  9. Scholander pressure bomb - Wikipedia

    en.wikipedia.org/wiki/Scholander_pressure_bomb

    A pressure bomb, pressure chamber, or Scholander bomb is an instrument that can measure the approximate water potential of plant tissues. A leaf and petiole or stem segment is placed inside a sealed chamber. Pressurized gas (normally compressed nitrogen) is slowly added to the chamber. As the pressure increases, at some point the liquid ...

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