Skip to main content

Table 1 Character Coding for Morphological Analysis

From: Primotrapa gen. nov., an extinct transitional genus bridging the evolutionary gap between Lythraceae and Trapoideae, from the early Miocene of North China

Character

Codes

1. Merositya

0 = 4; 1 = 6

2. Sepal barbs

0 = absent; 1 = present

3. Hypanthium shape

0 = cup-shaped; 1 = tube-shaped

4. Calyx lobe lengtha

0 = half or more of total floral cup/tube length; 1 = less than half of total floral cup/tube length

5. Hypanthium: carpel

0 = less than 1/2; 1 = ca. 1/2 or more

6. Pollen shapea

0 = prolate to prolate-spheroidal; 1 = oblate to oblate-spheroidal

7. Pollen pseudocolpia

0 = absent; 1 = 3 pseudocolpi; 2 = 6 pseudocolpi

8. Pollen exine sculpturea

0 = psilate-scabrate to verrucate; 1 = striate

9. Ovary position

0 = superior; 1 = superior to basally inferior; 2 = semi-inferior; 3 = inferior

10. Fruit typea

0 = capsule; 1 = berry; 2 = drupaceous

11. Fruit surface ribs

0 = absent; 1 = present

12. Fruit neck

0 = absent; 1 = present

13. Seed number per fruit

0 = numerous; 1 = one-seeded

14. Seed compressiona

0 = not compressed; 1 = slightly to strongly compressed

15. Pedicel

0 = persistent; 1 = detached

  1. Note: aindicates characters and codes cited from Graham et al. [10]