swollen petiole is present in

Leaf axil is the angle formed by the base of the leaf and stem. The cells of this region are very small, thin-walled and with dense protoplasm. Sepals, (a)____ . d. In spike … Which one of the following has the largest floating leaves … Pulvini are localized and specialized areas in stems or leaves composed of a group of thin-walled parenchyma cells. In some plants petiole becomes swollen and spongy due to the development of aerenchyma. endobj 100% (1/1) become swollen, which is called the pulvinus. The region of the stem between two nodes is called intemode. %PDF-1.7 Bark brownish, smooth; blaze orange red. The plant sample (Fig. Swollen or Spongy petiole : Sometimes the petiole becomes swollen and spongy due to the development of aerenchyma. <> Question 19. There may be swollen regions at either end of the petiole known as pulvina (singular= pulvinus) that are composed of a flexible tissue that allows leaf movement. It is the organ facilitating the movement of the leaf. %�� c. Pedicie is the stalk of flower while peduncle is the stalk of inflorescence. Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Phyllode. In botany, the zucchini's fruit is a pepo, a berry (the swollen ovary of the zucchini flower) with a hardened epicarp.In cookery, it is a vegetable, usually cooked and eaten as a savory dish … Fabaceae Marantaceae Nyctinasty Petiole (botany) Thigmonasty. N. Ayyappan Swollen petiole (0 ratings) Male flowers ... alternate, spiral, usually at the end of the twigs; petiole 4-10 cm long, terete, glabrous, swollen at both ends, pair of glands present at the junction of lamina above; lamina 15-32 x 4-11 cm, usually narrow elliptic to oblanceolate, apex acuminate, base cuneate, margin … The type of petioles encloses much air and helps the plant to float. Leaves are termed as food factories. Phyllode. In grasses an outgrowth is present between leaf base and lamina. The single leaflet is articulated … At each leaf axil is present a bud, which gives rise to a branch. b8�� u�G��P�(��R��eqҢȝ�7VM�.��5�@8HgN��֪�zW n@�s� W@��5��ciYz��d[i�ZK�SF��^ �,�1�/> ��ǇD�A��+�@d1�9�c�0�{�r��0�T��@��$]P7�S�(��p ��kp1��. The lamina in compound leaves of some plants fall off soon and petiole get modified into sickle-shaped leafy structure which performs photosynthesis. Absorbing leaves are found in (a) In hydrophytes, Parallel Venation is not found in- (a) Maize, Structure and Functions of Cell Organelles, Plant Tissue - Internal Morphology and Anatomy, Internal Structure of Root, Stem and Leaf. PETIOLE 5. Leaves 3 (-5)-lobed, to 35 cm wide and long, each lobe coarsely toothed or sublobed, the teeth or sublobes (at most 1-2 per cm of margin) attenuate-acuminate; multiple fruit spherical and merely rough on the surface, consisting of multiple achenes with tawny bristles; buds infrapetiolar (completely hidden in the swollen petiole base)…Platanus The type of petioles encloses much air and helps the plant to float. This is known as phyllode. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 720 540] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Swollen petiole Habit. Leaves simple, alternate, spiral, clustered at twig ends; stipules small, lanceolate, caducous; petiole 1.2-4 cm long, swollen at both ends, planoconvex, glabrous, with subulate appendage at the junction of lamina; … (vii) A leaf has three main parts – Leaf base, petiole and leaf lamina. 6 years ago Answers : (1) Sumreet Johar State University of New York,Stony Brook, USA askIITians Faculty 30 Points . (i) The leaf is a lateral dissimilar appendage of the stem. In a pinnately compound leaf a (iii) Generally there is always an axillary budin the axil of a leaf. Leaves: Leaves slightly spaced along branches or clustered at end of branches, spiral (leaves occurring singly at a node and arranged spirally up the branchlet) (internodes short so leaves often appearing pseudo-whorled), simple (a leaf composed of a single blade) (with milky white exudate when damaged); petiole present, not winged, attached to base of leaf blade, not swollen; leaves broadest above middle, … b. Pulvini may be present at the base or apex of the petiole or where the leaflets of a compound leaf are inserted into the rachis. Threat Level: Medium Pheidole megacephala is a common species in the Pacific with two waist segments, 12-segmented antennae, 3-segmented antennal clubs, propodeal spines, long thin pilosity, and a bimorphic worker caste. The petiole (mesopodium) connect the leafbase with lamina and help hold the blade to light. anther, male, ovary, ovule, petals, pistil, stamen, filament. Phyllodes develop usually vertically and possess fewer stomata hence, reduce transpiration, e.g. For eg., Australian Acacia. Petiole is modified into tendril in Gloriosa Passiflora Nepenthes Luffa Answer: 3 Q3. (iv) It is exogenous in originand develops from the swollen leaf primordium of the growing apex. In many cases, the petiole of the leaf is not distinct and such a leaf is called sessile. Reticulate venation is found in which plants? Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Contributors. <>/Metadata 4297 0 R/ViewerPreferences 4298 0 R>> It is located at the point where the petiole joins the leaf to stem. In some aquatic plants, the petiole becomes swollen and spongy. They divide repeatedly. The Biotik Team, French Institute of Pondicherry Attributions. Swollen petiole. 4. ... swollen – Pulvinus leaf base. Leaf MCQ (Multiple Choice Questions and Answers) Q1. Petiole – The petiole helps hold the blade to light. Leaves with swollen petiole joints* Terminal pyramidal panicles of numerous, small flowers Blooming in early summer; adequate moisture required for optimum performance, or foliages browns up and plant dies prematurely; clumps need dividing every 3-4 years; utilization in shade gardens, borders, massing, around water features, cut flowers, or pot plants. <> Pulvinus is the swelling at the base of a leaf. (iii) Leaf: These are green in colour. Phyllode: It is the petiole which becomes flattened in a vertical plane and takes up the appearance of a leaf blade. Ordinary zucchini fruit are any shade of green, though the golden zucchini is a deep yellow or orange. Ovules are present in this part of flower. At maturity, they can grow to nearly 1 metre (3 feet) in length, but they are normally harvested at about 15–25 cm (6–10 in).. Abelia), the petiole bases are swollen, … It is called ligule. (vi) The leaves do not possess any apical bud or a regular growing point. 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