Table 4.
Morphology of starch grains from the studied sites.
| Type | Subtype | Granule shape | Size range (μm) | Mean size (μm) | Hilum | Fissures | Lamellae | Extinction cross | ID |
|---|---|---|---|---|---|---|---|---|---|
| I | Ia | Spherical/Sub-rounded/Rounded polygonal | 5.64-20.42 | 12.69 ± 3.4 | Centric | Absent | Absent | Straight | Colocasia spp./Alocasia spp. |
| Ib | polygonal/round | < 5 | < 5 | Centric | Absent | Absent | Straight | Colocasia esculenta | |
| II | IIa | Triangular/Elliptical | 15.82-40.17 | 27.53 ± 7.71 | Highly eccentric | Rare | Visible on large grains | Bent arms | Dioscorea alata |
| IIb | Ovoid/Elongated ovoid | 12.05-33.06 | 21.41 ± 6.51 | Highly eccentric | Absent | Absent | Bent arms | Dioscorea spp. | |
| III | Elongated ovoid | 12.33-35.83 | 23.77 ± 7.24 | Extremely eccentric | Absent | Absent | Bent arms | Arenga sp. | |
| IV | Ovoid | 13.3-16.26 | 14.78 ± 1.48 | Extremely eccentric | Absent | Absent | Bent arms | Zingiber sp. | |
| V | Polygonal | 7.44-18.12 | 11.75 ± 2.92 | Centric | Lined fissures | Absent | Straight | Setaria italica | |
| VI | Irregular ovoid | 11.16-12.95 | 12.51 ± 0.9 | Slightly eccentric | Absent | Absent | Bent arms | Quercus sp. | |
| VII | Kidney | 29.68-34.66 | 32.17 ± 3.49 | Centric | Small fissures | Absent | Bent arms | Vigna sp. | |
| VIII | Polygonal | 4-6.67 | 5.75 ± 0.83 | Centric | Absent | Absent | Straight | Oryza sativa |