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The following points highlight the ten main types of stipule present in a plant. The types are: 1. Lateral 2. Adnate 3. Scaly 4. Intrapetiolar 5. Interpetiolar 6. Foliaceous 7. Ochreate 8. Spinous 9. Tendrillar 10. Ventral.
Stipule in a Plant: Type # 1. Lateral:
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Present laterally on or at the side of the base of petiole, e.g., Hibiscus.
Stipule in a Plant: Type # 2. Adnate:
Present as wings due to their fusion with the petiole (Fig. 74), e.g., Rosa.
Stipule in a Plant: Type # 3. Scaly:
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Present as a dry, small, membranous structure, e.g., Spergula.
Stipule in a Plant: Type # 4. Intrapetiolar:
Present in the axil of leaf and their margins fuse above the petiole, e.g., Gardenia.
Stipule in a Plant: Type # 5. Interpetiolar:
Present in between the petioles of opposite or whorled leaves, e.g., Mussaenda.
Stipule in a Plant: Type # 6. Foliaceous:
Present in the form of a large leaf, e.g., Lathyrus aphaca.
Stipule in a Plant: Type # 7. Ochreate:
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Present in the form of a tubular sheath round the internode, e.g., Polygonum.
Stipule in a Plant: Type # 8. Spinous:
Present in the form of hard spines, e.g., Acacia nilotica.
Stipule in a Plant: Type # 9. Tendrillar:
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When the stipules modify in the form of tendrils, e.g., Smilax.
Stipule in a Plant: Type # 10. Ventral:
Present on the ventral side of petiole, e.g., Magnolia.
