Saponaria, Linnaeus (1753: 408), Linnaeus, 1753

Erdir, Meltem & Ataşlar, Ebru, 2022, Taxonomic significance of seed and leaf micromorphology in Saponaria (Caryophyllaceae), Phytotaxa 566 (1), pp. 73-88 : 81

GROUP A

1. Number of seeds per capsule ≥ 50.................................................................................................................................... S. officinalis

- Number of seeds per capsule <50......................................................................................................................................................2

2. Number of seeds per capsule 20 to 50................................................................................................................................................3

- Number of seeds per capsule <20......................................................................................................................................................4

3. Margin of testa cells straight ......................................................................................................................................... S. pamphylica

- Margin of testa cells sinuate .............................................................................................................................................. S. glutinosa

4. Number of seeds per capsule 10 to 20................................................................................................................................................5

- Number of seeds in capsule <10........................................................................................................................................................7

5. Seed comma shaped ...........................................................................................................................................................................6

- Seed reniform shaped ....................................................................................................................................................... S. calabrica

6. Seed testa verrucate .......................................................................................................................................................... S. orientalis

- Seed testa smooth ..................................................................................................................................................................... S. picta

7. Margin of testa cells divided or straight line ......................................................................................................................................8

- Margin of testa cells splitting .............................................................................................................................................................9

8. Cells divided....................................................................................................................................................................... S. dalmasii

- Cells not divided............................................................................................................................................................ S. mesogitana

9. Number of seeds 2–8 ........................................................................................................................................................ S. halophila

- Number of seeds 7–12 ......................................................................................................................................................... S. pumilio

GROUP B (all capsules have 1–2 seeds in this group)

1. Seed brown ............................................................................................................................................................... S. prostrata s.lat.

- Seed not brown ...................................................................................................................................................................................2

2. Seed dark-reddish brown; microsculpture smooth................................................................................................... S. karapinarensis

- Seed dull dark brown; microsculpture protrusions.............................................................................................................. S. kotschyi