| Leaf shape and size | Oblong, up to 20 cm long | Elliptic, up to 15 cm long |
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| Lateral vein number | 10–14 on each side | 6–9 on each side |
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| Intramarginal line | Present, continuous from leaf base to apex (Fig. 8) | Not present |
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| Lateral vein colour (when dried) | Conspicuously darker colour than leaf blade | Not obviously darker than leaf blade |
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| Tertiary veins | Coarsely scalariform | Reticulate or somewhat irregularly scalariform |
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| Fruit shape and size | Globose, 3.5–4 × 3.5–4 cm | Broadly ovoid, 3–4 × 3–4 cm |
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| Fruit lobes (when mature and dried) | Usually deeply splitting throughout the fruit | Usually shallowly splitting, sometimes deeply splitting near the base |
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| Fruit indument | Conspicuously hairy with rusty hairs | Subglabrous, usually hairy near the base, hairs yellowish |
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| Fruiting calyx | Irregularly splitting into 3–5 lobes, 1.5–2 cm in diam. | Irregularly splitting into 3–7 lobes, 1–1.5 cm in diam. |
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| Fruit stalk length | 1–2 cm long | Subsessile, up to ca 0.5 cm long |
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| Number of seeds | 8 | (8–)12–16 |
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