| 21. | Leaves are 3 9 cm long, opposite, simple and slightly obovate, tapering at the leaf base.
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| 22. | The leaf base tapers to petiole, the margin is entire and it has a pointed apex.
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| 23. | The mine is irregularly shaped and is mostly located between two main veins near the leaf base.
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| 24. | Each reddish leaf has a funnel-shaped stipule that wraps around the leaf base to form an ochrea.
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| 25. | Normally, quite close to the leaf base.
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| 26. | The leaf lobes vary greatly in shape, from shallow lobes to cut nearly to the leaf base.
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| 27. | The leaf base is triangular in shape.
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| 28. | Seven veins branch out from the leaf base ( A mid rib and three pairs of veins ).
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| 29. | The specific epithet " " is from the Latin meaning " heart-shaped ", referring to the leaf base.
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| 30. | The winner of these contests then settles closest to the leaf base, and the loser settles more distally.
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