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Shapes of plant leaf
- 1. DIFFERENT SHAPES OF LEAF DR. SUMIA ZAFAR PROFESSOR & HEAD, DEPARTMENT OF BOTANY, DR. RAFIQ ZAKARIA COLLEGE FOR WOMEN, AURANGABAD PIN CODE -431001
- 2. DIFFERENT SHAPES OF LEAF Lanceolate: The shapes of leaf resemble the lance. The leaf is elongated with broad middle region. It is attached to the shoot with its broader region. The apex and base of leaf is somewhat tapered.
- 3. DIFFERENT SHAPES OF LEAF Sagittate: It is an elongated triangular leaf, arrow shaped. The basal region is broad with two lobes facing downwards, forming a notch for attachment of petiole. The leaf shapes resemble a elongated triangle such type of shape is termed as sagittate.
- 4. DIFFERENT SHAPES OF LEAF
- 5. DIFFERENT SHAPES OF LEAF Elliptical: It is an oval shaped leaf with the short pointed apex. The width of leaf may be about one half of its length. Such a shape is descried as elliptical.
- 6. DIFFERENT SHAPES OF LEAF Linear: A very narrow long leaf called linear. The leaf has approximately parallel margin. The leaf which is longer than broad is termed as linear.
- 7. DIFFERENT SHAPES OF LEAF Spatulate or Subulate: The spoon shaped leaf is termed as spatulate or subulate. The lamina is narrow, firm and tapering gradually from basal region to the apex . Such type of shape of leaf is described as spatulate or subulate.
- 8. DIFFERENT SHAPES OF LEAF
- 9. DIFFERENT SHAPES OF LEAF Pinnatisect: The leaf lamina from both the lateral side cut, but not up to the midrib. Cutting the lobes is not of indefinite shape. Such a shape of leaf termed as pinnatisect. Such leaf is also described as decompound leaf.
- 10. DIFFERENT SHAPES OF LEAF Laciniate: The leaf possesses incised margins. The teeth of margin slightly bent towards base of the leaf. Such type of leaf is termed as laciniate. When the leaf margin is very deeply lobed. The leaf shape is termed as laciniate.
- 11. DIFFERENT SHAPES OF LEAF Ovate or Oval: Leaf shapes resemble the shape of hen’s egg with tapering apex . The base of leaf is broad. Such type of shape is described as ovate or oval.
- 12. DIFFERENT SHAPES OF LEAF
- 13. DIFFERENT SHAPES OF LEAF Lyrate: It is a term used to describe a leaf which is pinnately divided and have a broad apical lobe and smaller lateral lobes. This type of shape of leaf is termed as lyrate.
- 14. DIFFERENT SHAPES OF LEAF Runcinate: The elongated leaf with toothed margin. The teeth like structures directed towards basal region of leaf.
- 15. DIFFERENT SHAPES OF LEAF Aristate: The leaf is elongated with broad lamina. The terminal region of leaf ends into a small pointed tip which is like a bristle. Such type of leaf shape described as aristate.
- 16. DIFFERENT SHAPES OF LEAF Cordate: The shape of leaf resembles the heart of greeting card; the leaf may be petiolate or sessile. Such shape is described as cordate.
- 17. DIFFERENT SHAPES OF LEAF Obovate: The leaf is egg shaped but the narrow end of leaf attached to the shoot. It is a term used for shape of leaf which is ovate without any divisions.
- 18. DIFFERENT SHAPES OF LEAF
- 19. DIFFERENT SHAPES OF LEAF Cuneate: It is a triangular shaped leaf having distinctly narrow towards the basal region.
- 20. DIFFERENT SHAPES OF LEAF Oblanceolate: Leaf is elongated with broad middle region. It is attached with stem with pointed region of leaf.
- 21. DIFFERENT SHAPES OF LEAF Caudate: The leaf with broad lamina with a very long tail like structure at apex.
- 22. DIFFERENT SHAPES OF LEAF
- 23. DIFFERENT SHAPES OF LEAF Deltoid: The shape of leaf resembles a triangle. Triangular leaf may have broad base covering two angles of leaf and remaining angle is the apex of leaf. The shape is termed as deltoid.
- 24. DIFFERENT SHAPES OF LEAF Sagittate: It is an elongated triangular leaf, arrow shaped. The basal region is broad with two lobes facing downwards, forming a notch for attachment of petiole. The leaf shapes resemble a elongated triangle such type of shape termed as sagittate.
- 25. DIFFERENT SHAPES OF LEAF Digitate: The lamina of possesses 3-4 or more finger like structures. A variety of ornamental plants possesses digitate type of leaves. The lamina of leaf is highly divided into finger like projections. All the finger like projections of leaf originated from a single point. Such type of leaf is termed as digitate.
- 26. DIFFERENT SHAPES OF LEAF Scale like leaf: The leaf having small scale like structure which is closely associated with stem, which occurs in Pteridophytes and certain xerophytic plants.
- 27. DIFFERENT SHAPES OF LEAF Retuse: Leaf margin having large 2-3 lobes and apex in obtuse. Such shape is termed as retuse.
- 28. DIFFERENT SHAPES OF LEAF Hastate: The upper leaf of leaf lamina possesses oval shape with a pointed apex. The basal part of lamina has two lobes which are extended outwardly with a pointed apex. Such type of shape is described as hastate.
- 29. DIFFERENT SHAPES OF LEAF Acicular: The pointed needle shaped leaves which are slender, green in colour mostly occur in xerophytic plants. In the taxonomic language such leaf shape is described as acicular.
- 30. DIFFERENT SHAPES OF LEAF Trifoliate leaf: It is a compound leaf. A leaf is having three separate leaflets.
- 31. Peltate: The leaf lamina is almost spherical, round. The margin is not divided which is entire, the petiole is attached at central region at the ventral surface. Such a disc shaped leaf is termed as peltate. The round plate or shield shaped leaf is termed as peltate. The attachment of leaf is present at the center of the leaf.
- 32. DIFFERENT SHAPES OF LEAF
- 33. DIFFERENT SHAPES OF LEAF Fenestrate: The leaf lamina shows holes of variable size. It is a natural phenomenon. The leaf resembles the window. The shape of such a leaf is termed as fenestrate.
- 34. DIFFERENT SHAPES OF LEAF
- 35. DIFFERENT SHAPES OF LEAF Truncate: The square shaped leaf with a rectangular apex is termed as truncate.
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