| 1. | They are very often pinnately incised and do not have stipules.
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| 2. | The ovate and acuminate stipules are interpetiolar, fused at base.
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| 3. | The leaves are entire and alternate, but stipules are absent.
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| 4. | It has a globular rhizome with stipule-like fleshy outgrowths.
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| 5. | On either side of the leaf axils are two rounded stipules.
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| 6. | Stipules form a leaf-like cup, enclosing the flower.
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| 7. | The morphology of the stipule is an important character for species identification.
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| 8. | Stipules are linear, measured approximately 1.5 cm in length.
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| 9. | The leaves have persistent stipules which may aid in identification.
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| 10. | There are stipules at the bases of the leaf stalks.
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