Table 2.

Comparison of Late Devonian seeds with uniovulate cupules

Taxon	Number of cupule segments	Structure of cupule segments	Number of cupule tips	Number of integumentary lobes	Shape and fusion of integumentary lobes
Dorinnotheca [27]	8	distally dissected	>40	4	Triangular, basally fused
Condrusia [28]	2	flattened and broad	2	—	—
Pseudosporogonites [2]	1	short, fused and collar/trumpet shaped	—	3-4	Flattened, 1/3 fused
Latisemenia [4]	5	broad and cuneate	5	4	Flattened, 1/2-2/3 fused
Cosmosperma	2?	Distal 1/2-2/3 dissected	up to 16	4	Linear, basal 1/3 fused