What is Adnate stipule?
A stipule can be fused to the stem, or to the other stipule from the same node. A stipule is “adnate” if it’s fused together on part of the petiole length, but the anterior is still free.
What is Ochreate stipule?
Stipules are the leafy appengages present below the leaves. These are of different shapes, forms and pattern. Ochreate stipules are present in the form of the tubular sheath around the internode in the family Polygonaceae.
What is the function of a stipule?
Stipules are known to photosynthesize and provide protection to the organs differentiating at the apex, associated leaf and branch-bud and inflorescence in the axil of leaf. Stipules are expected to affect the bearer plant in multiple ways.
What is Ochreate stipule cite example?
When the two stipules are attached to form a tube-like structure, it is known as Ochre ate stipules. The main function of the stipules is to defend the leaf in the bud. The plants commonly known as the legume, pea, or bean family are categorized under the family of Fabaceae or Leguminosae.
What is a stipule?
Definition of stipule : either of a pair of small, usually leaflike appendages borne at the base of the petiole in many plants.
What is the stipule in a leaf?
stipule in British English (ˈstɪpjuːl ) noun. a small paired usually leaflike outgrowth occurring at the base of a leaf or its stalk.
What is stipule in leaf?
What is a stipule scar?
STIPULE SCARS. These scars are the remnants of 1eafy appendages that were attached to the base of the previous season’s leaf petiole. Stipule scars are found only in certain woody species. They occur in pairs, one on either side of the top of the leaf scar. In some species they completely encircle the twig.
Where is the stipule of a leaf?
The leaf base is the slightly expanded area where the leaf attaches to the stem. The paired stipules, when present, are located on each side of the leaf base and may resemble scales, spines, glands, or leaflike structures.…
What is stipule in plants?
What is a vascular bundle scar?
a leaf scar is the scar remaining after the leaf falls off. Bundle scars are the broken ends of the vascular bundles passing from the stem into the leaves.
What is Stipules in leaf?
(ˈstɪpjuːl ) noun. a small paired usually leaflike outgrowth occurring at the base of a leaf or its stalk.
What happens if a terminal bud is removed?
If a terminal bud is removed, the growth of lateral buds is stimulated and the plant becomes bushier. But if lateral buds or branches are removed, growth is channeled into the terminal bud and the plant becomes taller or longer.
What is a Stipule scar?
How is bundle scar formed?
Bundle scars are circular or barred regions within the leaf scar where bundles of vascular tissue that had connected the leaf and the stem broke off. The number of bundle scars in a leaf scar is sometimes used as an identifying mark as they are often consistent across a species.