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With an opposite leaf arrangement, two leaves arise from the stem at the same level (at the same node), on opposite sides of the stem. An opposite leaf pair can be thought of as a whorl of two leaves. With an alternate (spiral) pattern, each leaf arises at a different point (node) on the stem. Distichous leaf arrangement in Clivia
1. Having two distinguishable sides, such as the two faces of a dorsiventral leaf. 2. Arranged on opposite sides, e.g. leaves on a stem; Compare distichous and opposite. 3. Bilaterally symmetrical, as in a leaf with a symmetrical outline. biloculate Having two loculi, e.g. in anther s or ovaries. binomial
Chart illustrating leaf morphology terms. The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets). [1]
A stem-and-leaf plot of prime numbers under 100 shows that the most frequent tens digits are 0 and 1 while the least is 9. 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.
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Opposite leaves may appear whorled near the tip of the stem. Pseudoverticillate describes an arrangement only appearing whorled, but not actually so. Rosulate Leaves form a rosette. Rows The term distichous literally means two rows. Leaves in this arrangement may be alternate or opposite in their attachment. The term 2-ranked is equivalent.
The leaves of Calypogeia are incubous.. The term incubous describes the way in which the leaves of a liverwort are attached to the stem. If one were to look down from above (dorsal side) on a plant where the leaf attachment is incubous, the upper edge of each leaf would overlap the next higher leaf along the stem.
If one were to look down from above (dorsal side) on a plant where the leaf attachment is succubous, the upper edge of each leaf would be covered by the next leaf along the stem. The lower edge of each leaf is visible from above, but the edge of the leaf closer to the tip of the stem is obscured by a neighboring leaf. [ 1 ]