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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. Referring to the arrangement of floral or foliar organs in a bud when each organ or segment has one edge overlapping the adjacent organ or segment; a form of imbricate arrangement. See contort. 2. (of leaves) A type of vernation in which one leaf is rolled up inside another. 3.
Opposite Two leaves, branches, or flower parts attach at each point or node on the stem. Leaf attachments are paired at each node. Decussate An opposite arrangement in which each successive pair is rotated 90° from the previous. Whorled, or verticillate Three or more leaves, branches, or flower parts attach at each point or node on the stem.
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]
In botany, a whorl or verticil is a whorled arrangement of leaves, sepals, petals, stamens, or carpels that radiate from a single point and surround or wrap around the stem or stalk. [1] [2] A leaf whorl consists of at least three elements; a pair of opposite leaves is not called a whorl.
The leaves are simple, meaning they do not separate into leaflets. The leaf arrangement is opposite. There are two leaves at each attachment of a leaf on the stem or branch on the flower. The edges of the leaf blades have lobes. The flowers of Aureolaria pedicularia are bilateral. Each flower has five fused petals that form a tube.
Leaves: Leaves grow in an opposite arrangement from the tips of branches, with every leaf pair offset from the pair above it and below it. Stipules are D-shaped with a small point. [13] Leaves have short petioles attaching them to the stem. Leaves have no lobes, are glabrous (smooth), obovate (narrower at the base than the tip), with an obtuse ...
It has an opposite leaf arrangement, small petiole and leaves that grow up to 90mm. Along with the red stems, its most notable feature is its leaves with serrations of up to 4mm on the edge of each of its leaves. The leaf shape is elliptic and has lateral veins running throughout the leaf.