Previous Steps
- 1b – Alternate leaf arrangement on stem — go to 18
- 18a – Leaf simple — go to 19
- 19b – Thornless — go to 22
- 22e – All leaves unlobed — go to 31
- 19b – Thornless — go to 22
- 18a – Leaf simple — go to 19
Current Step
- 50a – True terminal bud absent — Plum, go to 51
- 50b – True terminal bud present — Cherry, go to 54
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