| Leaf sheath indumentum | Minutely tomentose | Hirsute | Villose at base |
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| Petiole indumentum | Minutely tomentose at base with a glabrescent apex | Hirsute | Glabrous |
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| Petiole length (cm) | 13–42 | 4.5–15 | 2.4–7.5(–17.3), commonly absent |
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| Pulvine indumentum | Glabrous to glabrescent at apex | Hirsute on adaxial side | Tomentose on adaxial side or entirely glabrous |
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| Pulvine length (cm) | 2.3–5 | 1.1–2.5 | (0.2–)0.4–1(–2.3) |
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| Leaf blade base and angle | Acute, 50–60° | Cuneate to obtuse, 90–115° | Cuneate to obtuse, 50–100° |
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| Leaf blade size (length × width) (cm) | 24–42.9 × 7–12(–17.8) | (12.2–)13.4–25(–32) × 5.5–13 | (11.2–)13.3−26.4(–38.3) × 4.4−9.9(–20) |
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| Leaf blade color | Adaxially semi-shiny, dark green to grass-green, midrib olive-green, abaxially greyish-green with a slight metallic sheen, faintly tinged purple or entirely purple, midrib olive-green to reddish brown along borders, yellowish along midline. | Adaxially green or dark-green with darker oval or elliptic blotches along the secondary veins, 4–8 blotches each side of main vein, occasionally with a faint yellowish-green laterally of midline; abaxially purplish. | Adaxially green with greyish elliptic blotches along the secondary veins, or entirely green; abaxially purplish or greyish-green. |
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| Leaf blade indumentum | Adaxially minutely tomentose towards the base and occasionally the apex; abaxially glabrous with a laterally tomentose midline | Adaxially glabrous; abaxially papillate in fresh material and hirsute along borders. | Adaxially glabrous; abaxially glabrous with a tomentose midline. |
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| Peduncle indumentum | Tomentose | Hirsute | Hirsute |
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| Peduncle length (cm) | (20–)30–55 | 6.5–11.2(–18) | 1–7.4(–24.5) |
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| Number of spathes per synflorescence | (3–)7–12 | 8–11 | (2–)3–8 |
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| Number of cymules per bract | 5–9 | 3 | 3–5 |
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| Claviculated bracteoles length (cm) | (0.7–)1.4–3 | 1.6 | 1.7–2 |
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| Sepals size (mm) | 11–15 × 3–4.5 | 13–15 × 4–4.5 | 18–21 × 4 |
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| Corolla tube length (cm) | 2.1–2.6 | 2–2.3 | 2.7–4.2 |
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| Corolla lobes size (mm) | 11–13 × 4–5 | 13–15 × 4–5 | 10–17 × 4–6 |
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| Outer staminode size (mm) | (11–)13–15 × (5–)8–9 | 19–22 × 9–11 | (15–)19–25 × 8–11 |
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| Callose staminode size (mm) | (12−)14−18 × (7−)10−12 | 21–25 × 12–15 | (16–)19–25 × 7–10 |
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| Callose staminode color | Entirely white | Entirely white | White with a yellow callus |
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| Cucullate staminode size (mm) | (8−)9−11 × 3−4 | 11–12 × 3–4 | 7–9 × 3–4 |
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| Cucullate staminode color | White | White | Yellow |
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