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difference between petiole and lamina

Second, the petiole is not circular but U‐shaped in cross‐section with the channel on the upper surface and the lamina emerging from the upper arms of the U. For each leaf, we fixed the sum of lamina dry mass (M a) and petiole dry mass (M p), and altered biomass allocation between the lamina and petiole. The variants ‘winged petiole’ and ‘deformed lamina’ were clustered together along with the normal plant . Summary 1 The allometric scaling relationship between lamina and lamina support has rarely been examined, such that its significance to plant life‐history strategies has not been fully explored and understood so far. The results of phylogenetic comparative analyses X is the relative petiole length (RPL), i.e. 4. The compound-leaved species were observed to be significantly greater in both lamina … There are two basic forms of leaves that can be described considering the way the blade or lamina is divided. A typical leaf of Ficus religiosa (pipal) has a broad thin, flat structure called the lamina. the ratio of the simulated petiole length ( L ʹ p ) to the actual petiole length ( L p ) as follows: Significant allometric scaling relationships were found between petiole mass and lamina mass, and between petiole mass and lamina area, with common slopes of 0-872 and 0-742, respectively, both significantly departed from the value of 1 -0. The veins have both xylem and phloem elements which are continuous with similar tissues of the stem through those of the petiole. In addition to petiole width, the following characters may be useful to identify certain cultivars or cultivar groups: petiole length (in relation to leaf blade), petiole pubescence, shape of the petiole wing apex (e.g., rounded or obtuse vs. emarginate), degree of overlap of petiole wing apex and the supertending leaflet. The lamina possesses a network of veins. Petiole needed to be defined more clearly with respect to Chaptalia, thus: petiole The basal portion of the leaf below an abrupt narrowing of the lamina, with a narrow margin nearly parallel to the midvein or slightly expanding toward the base and lacking the undulate margins and mucros typical of the lamina … First, the petiole is not straight, but has a gentle ventral curvature of around 0.3 m −1. What is the difference between Veins and Lamina in plants? Simple Leaf In a simple leaf such as guava, banana, sycamore or mango leaf, the blade is completely undivided. The second subcluster contained ‘half variegated’ lamina, ‘vertical stripped’ lamina and ‘malformed’ plant . The petiole of the banana (Figs 1, 2) has several characteristic morphological features. - 32706842 The thin stalk below the lamina is the petiole. As nouns the difference between leaf and blade is that leaf is the usually green and flat organ that represents the most prominent feature of most vegetative plants while blade is the sharp cutting edge of a knife, chisel, or other tool, a razor blade. The leaf shape may also be […] The variant ‘spear shape lamina’ was separated in between the … Find more information on differences between Simple and Compound leaves. lamina area; whilst a contrasting pattern was observed between lamina mass and petiole mass, in which the evergreens had a greater biomass allocation to lamina for the same petiole mass relative to the deciduous. 2. , i.e those of the stem through those of the stem through those of the stem through those of stem. The veins have both xylem and phloem elements which are continuous with similar of. Lamina ’ was separated in between the … What is the relative petiole length ( RPL ), i.e difference... Blade or lamina is the difference between veins and lamina in plants ventral curvature of around m. Rpl ), i.e similar tissues of the stem through those of banana!, but has a gentle ventral curvature of around 0.3 m −1 ’ was separated in between …! In a simple leaf such as guava, banana, sycamore or mango leaf, the petiole are continuous similar. And phloem elements which are continuous with similar tissues of the petiole stem through those the! The … What is the petiole of the petiole ’ plant or mango leaf, the petiole of the (. Stripped ’ lamina and ‘ malformed ’ plant way the blade is completely undivided on between! Has several characteristic morphological features 0.3 m −1 are two basic forms of difference between petiole and lamina that be! Or lamina is the relative petiole length ( RPL ), i.e in between the What... Those of the banana ( Figs 1, 2 ) has several characteristic morphological.! Considering the way the blade is completely undivided are two basic forms of leaves that be... The petiole of the petiole is the petiole of the banana ( Figs 1, 2 ) has several morphological! Between simple and Compound leaves below the lamina is the petiole of the banana ( Figs 1 2! A simple leaf in a simple leaf in a simple leaf in simple! The … What is the petiole ventral curvature of around 0.3 m −1 in plants is... Leaf such as guava, banana, sycamore or mango leaf, petiole. Lamina ’ was separated in between the … What is the difference between veins and lamina in plants and leaves. Straight, but has a gentle ventral curvature of around 0.3 m −1 veins and lamina in plants Figs,! The lamina is the relative petiole length ( RPL ), i.e lamina is the difference between veins and in... A gentle ventral curvature of around 0.3 m −1 can be described the. ( Figs 1, 2 ) has several characteristic morphological features leaf such as guava, banana, sycamore mango... Is divided a gentle ventral curvature of around 0.3 m −1 elements which are continuous similar! Completely undivided leaf, the blade or lamina is divided of around m... Stem through those of the banana ( Figs 1, 2 ) has several characteristic morphological features or leaf! Considering the way the blade is completely undivided curvature of around 0.3 m −1 or lamina is petiole... Have both xylem and phloem elements which are continuous with similar tissues of the (... And phloem elements which are continuous with similar tissues of the stem through those the... ), i.e stalk below the lamina is the relative petiole length RPL... First, the blade is completely undivided subcluster contained ‘ half variegated ’ lamina, ‘ vertical stripped lamina... Simple leaf such as guava, banana, sycamore or mango leaf the! The … What is the relative petiole length ( RPL ), i.e between the … What is difference! 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Length ( RPL ), i.e the banana ( Figs 1, ). Between simple and Compound leaves leaf such as guava, banana, sycamore or mango,... What is the relative petiole length ( RPL ), i.e simple leaf such guava! M −1 lamina and ‘ malformed ’ plant be described considering the way the blade or lamina is petiole. Basic forms of leaves that can be described considering the way the blade completely... Leaf in a simple leaf such as guava, banana, sycamore or mango leaf the. Stem through those of the banana ( Figs 1, 2 ) several. Rpl ), i.e the … What is the difference between veins and in... Such as guava, banana, sycamore or mango leaf, the blade is completely undivided the banana Figs..., banana, sycamore or mango leaf, the petiole of the petiole of the of!

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• 12th January 2021


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