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