Table 3.
Pollen and seed morphological characters in all taxa
| Plant taxa | E. alsinoides var. decumbens (KK & PT 12) | E. alsinoides var. decumbens (KK & PT 13) | E. glomeratus ssp. grandiflorus | E. nummularius |
|---|---|---|---|---|
| Characters | ||||
| Pollen morphology | ||||
| Pollen unit | Monad | Monad | Monad | Monad |
| Size polar axis (P) (µm) | 29–32 | 27–33 | 39–45 | 28–33 |
| Size equatorial axis (E) (µm) | 28–31 | 29–33 | 41–47 | 28–33 |
| Shape | Spheroidal | Spheroidal | Spheroidal | Spheroidal |
| Aperture | 15-pantocolpate | 15-pantocolpate | 15-pantocolpate | 15-pantocolpate |
| Ornamentation | Microechinate | Microechinate | Microechinate | Microechinate |
| Seed morphology | ||||
| Shape | Ovoid | Ovoid | No material available | Broadly elliptic |
| Size | 1–1.5 × 1–1.5 | 1–1.5 × 1–1.5 | No material available | 1.5–2 × 1–1.5 |
| Color | Yellow/orange/red/brown | Yellow/orange/red/brown | No material available | Yellow/brown |
| Surface | Glabrous | Glabrous | No material available | Glabrous |
| Epidermal cell shape | Irregular, polygonal | Irregular, polygonal | No material available | Irregular, polygonal |
| Anticlinal boundaries | Undulate | Undulate | No material available | Undulate |
| Periclinal cell wall | Folded | Folded | No material available | Flattened to concave |