Stipule - Wikipedia
网页In botany, a stipule is an outgrowth typically borne on both sides (sometimes on just one side) of the base of a leafstalk (the petiole). Stipules are considered part of the anatomy of the leaf of a typical flowering plant , although in many species they may be inconspicuous —or sometimes entirely absent, and the leaf is then termed exstipulate .
13.1: Leaf Parts and Arrangement - Biology LibreTexts
网页Stipules can look leaf-like or take on other forms (e.g. spines or tendrils). Figure \(\PageIndex{6}\): From left to right: sheath, stipules and ocrea. Diagram from Chapter 3.4.2, Botany, by Algiers, Ha, and Morrow.
Stipules in angiosperms | Botanical Journal of the Linnean Society ...
网页2024年1月17日 · Alternatively, stipules may be transformed into spines, glands, or tendrils, (Lubbock 1891, Bell 1991, Leichty and Poethig 2019). Stipules are widely found in angiosperms with a high level of diversity, and they may be considered as a significant feature of the flowering plants ( De Candolle 1827 , Goebel 1905 , …
The formation of stipule requires the coordinated actions of the …
网页2022年8月28日 · Stipule morphology is a classical botanical key character used in plant identification. Stipules are considerably diverse in size, function and architecture, such as leaf-like stipules, spines or tendrils. However, the molecular mechanism that regulates stipule identity remains largely unknown. We isolated mutants with abnormal stipules.
Stipule of Leaf - Types and Functions - BYJU'S
网页Stipules are structures which resemble scales, spines or glands, and are typically found on either side of the leaf base in angiosperm leaves. The stipule of leaves are of several types. Let’s learn about them in detail here. Table of Contents. Stipule – Meaning; Types of Stipules; Function of Stipule; Frequently Asked Questions; Stipule ...
3.4.3: Leaf Modifications - Biology LibreTexts
网页Almost all cacti (in the plant family Cactaceae) have spines (Figure \(\PageIndex{3}\)). Other examples include barberry and some Acacia species, in which large spines house mutualist ants. Spines can also be formed from stipules (stipular spines) or bud scales.
Stipule | plant | Britannica
网页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.…
The formation of stipule requires the coordinated actions of the …
网页Stipule morphology is a classical botanical key character used in plant identification. Stipules are considerably diverse in size, function and architecture, such as leaf-like stipules, spines or tendrils.
Stipule - an overview | ScienceDirect Topics
网页The plants in the Berberidaceae include woody shrubs, some with evergreen, persistent leaves. Some shoots have elongate spines representing modified leaves. Flowers are bisexual and the fruit is edible.
Stipules are the Principal Photosynthetic Organs in the Papilionoid ...
网页2012年5月26日 · Stipules are lateral organs that are produced on nodes in association of leaves. Each node has two stipules, one on either side of the site of attachment of leaf to the stem. Their morphology is highly variable. They may be formed as hairs, scales, glands, spines or as laminated leaf-like structures.