Table 2.

Relation of characters studied for species included in Type II (II_A, II_B, II_C)

Seed subtype	Taxon	Seed shape	Seed size (mm)	Cell shape	Depth of anticlinal walls	Thickness of anticlinal walls	Narrow trough
IIA	O. alba	Oblongoid to ellipsoid	0.29–0.46 × 0.17–0.28	Isodiametric to tangentially elongated	Medium (Fig. 1D)	Even	Evident all around the edge
	O. ballotae	Ovoid	0.29–0.43 × 0.19–0.29	Isodiametric	Medium	Even	More evident at the vertices
	O. calendulae	Ovoid	0.30–0.41 × 0.18–0.27	Isodiametric	Medium (Fig. 1G)	Even	More evident at the vertices
	O. crenata	Ellipsoid	0.28–0.48 × 0.19–0.30	Isodiametric	Medium	Even	Evident all around the edge
	O. minor	Oblongoid to ellipsoid	0.27–0.36 × 0.15–0.24	Isodiametric to tangentially elongated	Medium (Fig. 1F)	Even	Evident all around the edge
	O. reticulata subsp. reticulata	Ellipsoid to ovoid	0.32–0.48 × 0.18–0.31	Isodiametric	Medium (Fig. 1E)	Even	More evident at the vertices
IIB	O. amethystea	Ovoid to ellipsoid	0.27–0.43 × 0.17–0.28	Isodiametric	Medium (Fig. 1I)	Even	More evident at the vertices
	O. caryophyllaceae	Ovoid to ellipsoid	0.25–0.47 × 0.16–0.30	Isodiametric	Medium	Even	More evident at the vertices
	O. cernua	Oblongoid to ovoid	0.30–0.50 × 0.17–0.24	Isodiametric to irregular	Medium	Even	Evident all around the edge
	O. crinita	Ovoid	0.24–0.40 × 0.14–0.23	Tangentially elongated	Medium	Even	More evident at the vertices
	O. elatior subsp. icterica	Ellipsoid to ovoid	0.30–0.45 × 0.20–0.27	Isodiametric	Medium (Fig. 1H)	Even	More evident at the vertices
	O. foetida	Ellipsoid to ovoid	0.27–0.39 × 0.14–0.23	Isodiametric to tangentially elongated, irregular	Medium	Even	Evident all around the edge
	O. gracilis	Subglobose to ovoid	0.31–0.49 × 0.17–0.31	Isodiametric	Remarkable	Even	More evident at the vertices
	O. hederae	Ovoid – oblongoid to ellipsoid	0.33–0.48 × 0.20–0.31	Isodiametric to tangentially elongated	Medium to remarkable	Even	Evident all around the edge
	O. montserratii	Ovoid to subglobose	0.31–0.52 × 0.20–0.40	Isodiametric	Remarkable	Even	Evident all around the edge
	O. teucrii	Ellipsoid to subglobose	0.33–0.47 × 0.22–0.30	Isodiametric	Medium	Even	Evident all around the edge
IIC	O. clausonis	Ellipsoid to ovoid	0.30–0.50 × 0.16–0.28	Isodiametric	Remarkable (Figs. 1K, L)	Uneven	More evident at the vertices
	O. haenseleri	Trigonous or tetragonous	0.29–0.57 × 0.18–0.41	Isodiametric	Medium to slight	Even	More evident at the vertices
	O. laserpitii‐sileris	Ovoid to oblongoid	0.25–0.46 × 0.16–0.29	Isodiametric	Medium (Fig 1J)	Even	More evident at the vertices