Table 4.
Mature fruit morphological and anatomical characteristics of Sinocarum species and Meeboldia yunnanensis.
| Species | Fruit shape | Transection | Endosperm concrescence | Development degree of ribs | Vittae number | ||
|---|---|---|---|---|---|---|---|
| L × W (mm) | Shape | Furrow | Commissure | ||||
| Meeboldia yunnanensis | 4.08 × 2.35 | ovoid | semicircle | cordate concave | unobvious | 2–3 | 4 |
| S. coloratum | 2.09 × 1.16 | ovoid | sub-pentagon | flat | obvious | 1–3 | 2–4 |
| S. cruciatum | 2.41 × 0.96 | oblong-ovoid | sub-pentagon | flat | obvious | 1–3 | 2–4 |
| S. filicinum | 2.81 × 1.97 | ovoid | semicircle | sub-cordate concave | unobvious | 2–3 | 4 |
| S. schizopetalum | 1.43 × 1.36 | broad-ovoid | semicircle | slightly concave | unobvious | 1–3 | 2 |
| S. vaginatum | 2.28 × 0.90 | oblong-ovoid | sub-pentagon | flat | obvious | 1–3 | 2–4 |