Table 1 Morphological characters and character states.

From: Late Cretaceous origin of the rice tribe provides evidence for early diversification in Poaceae

Character number

Character

Character state number

Character state description

1

Costal rows of GSSC

0

Absent

  

1

Present

2

Vertical bilobates in costal row

0

Absent

  

1

Present

3

Scooped shape of vertical bilobates

0

Absent

  

1

Present

4

Numerous glandular cells and air spaces in the epidermal long cells

0

Absent

  

1

Present

5

Papilla on epidermal long cells

0

Absent

  

1

Present

6

Papilla on subsidiaries of stomata

0

Absent

  

1

Present

7

Silicification of cells that bear costal GSSC

0

Absent

  

1

Present