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Table 1 Measurements of seeds and seedlings

From: Fossil ginkgophyte seedlings from the Triassic of France resemble modern Ginkgo biloba

Specimen

Seed

Cotyledons

Primary leaves

Number of bifurcations

Taproot

“True” leaves

Ba25I

8x8 mm

2

not yet

not yet

not yet

not yet

Ba25II

6x5,5 mm

2

not yet

not yet

not yet

not yet

Ba03

not preserved

?2 bases

fragmentary

2

no

not yet

Ba15

not preserved

2 bases

fragmentary

2

not preserved

not yet

Ba17

not preserved

1 base preserved

fragmentary

?

not preserved

not yet

Ba18

not preserved

not preserved

?

?

not preserved

not yet

Ba23

3,4x3,6 mm

2 bases

2 with linear segments

2

no secondary roots

not yet

Ba22

not preserved

2 bases

2 with linear segments

2

with secondary roots

not yet

Ba30

not preserved

not preserved

fragmentary

1(?2)

not preserved

not yet

Ba31

not preserved

not preserved

3

2

no secondary roots

not yet

Ba21I

not preserved

none

2 with linear segments

2

with secondary roots

1

Ba21II

not preserved

none

2 with linear segments

2

fragmentary

fragmentary

Ba21III

not preserved

none

2 with linear segments

2

fragmentary

1

Ba24

not preserved

2 bases

2 with linear segments

2

with secondary roots

not yet

Ba26

not preserved

none

3

2

with secondary roots

1

Ba27

not preserved

2 bases

?

3

not preserved

4

Ba28

not preserved

2 bases

2 with linear segments

2

with secondary roots

not yet

Ba29

not preserved

fragmentary

2 with linear segments

3

with secondary roots

not yet

Ba32

not preserved

fragmentary

2 with linear segments

3

with secondary roots

not yet

Ba33

not preserved

fragmentary

fragmentary

2

with secondary roots

not yet