Previous Steps
- 1b – Alternate leaf arrangement on stem — go to 18
- 18b – Leaf compound — go to 58
- 58b – More than 3 leaflets — go to 59
- 59c – Leaflet margins are medium-serrate — go to 64
- 64b – Solid pith — go to 65
- 59c – Leaflet margins are medium-serrate — go to 64
- 58b – More than 3 leaflets — go to 59
- 18b – Leaf compound — go to 58
Current Step
- 65a – Leaflets up to 2 ½ inches long; all of uniform size. No milky sap from cut stem — European Mountain Ash
- 65b – Leaflets 2-5 inches long; with leaflets increasing in size towards the leaf base. Milky sap exuding from cut stem — Staghorn Sumac
Resources
