| Leaf blade | 22–26×9–11 cm, the secondary veins are clearly concave on the upper surface | 12–20×5–10 cm, the secondary veins are not obvious on the upper surface |
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| Petiole | 18–48 cm long | 14–22cm long |
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| Perianth | 18–24 mm long, white with purplish red spots or purplish red | 20–28 mm long, yellowish green with purple spots |
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| Perianth tube | 10–14 mm long, Ø 10–13 mm | 8–12 mm long, Ø 13–15 mm |
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| Perianth lobes | 8–10×3–4 mm, slightly shorter than tube | 13–18×3–4 mm, longer than tube |
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| Stamens | ovate, 3×1.5 mm | oblong, 1–2×1 mm |
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| Stigma | Ø 10–12 mm, upper surface flat and rough, purplish red, with 3 radial white or pale yellow forking ridges | Ø 8–11 mm, upper surface convex and glabrous, pale yellow, with 3 radial, inconspicuous forking lines |
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