Prunus maackii (proo’-nus makk’-ee-eye)
Family: Rosaceae, Rose
Key Steps
- 1b – Alternate leaf arrangement — go to 18
- 18a – Leaf simple — go to 19
- 19b – Thornless — go to 22
- 22e – All leaves unlobed — go to 31
- 31d – Leaf is oval or oblong (twice as long as wide) — go to 40
- 40b – Leaf base symmetrical — go to 43
- 43b – Leaf margin not wavy or only slightly wavy; margin obviously toothed — go to 44
- 44b – Petiole is less than 1 inch long — go to 45
- 45b – Irregular pinnate venation; veins may curve slightly; usually splitting and forking near the leaf margin — go to 48
- 48b – Usually glands on petiole or base of leaf. Stem and buds not hairy — go to 50
- 50b – True terminal bud present — go to 54
- 54a – Leaves finely serrated — go to 55
- 55a – Leaves green — go to 56
- 56a – Glandular dots on lower leaf surface. Bark reddish-brown, peeling — Amur Chokecherry
- 55a – Leaves green — go to 56
- 54a – Leaves finely serrated — go to 55
- 50b – True terminal bud present — go to 54
- 48b – Usually glands on petiole or base of leaf. Stem and buds not hairy — go to 50
- 45b – Irregular pinnate venation; veins may curve slightly; usually splitting and forking near the leaf margin — go to 48
- 44b – Petiole is less than 1 inch long — go to 45
- 43b – Leaf margin not wavy or only slightly wavy; margin obviously toothed — go to 44
- 40b – Leaf base symmetrical — go to 43
- 31d – Leaf is oval or oblong (twice as long as wide) — go to 40
- 22e – All leaves unlobed — go to 31
- 19b – Thornless — go to 22
- 18a – Leaf simple — go to 19
Description
Leaf: Egg-shaped or oval, 2-5 inches long. Finely, sharply toothed. Usually has two round knobby glands at top of petiole near the leaf base.
Bud: Dull, light brown, cone-shaped.
Leaf Scar: Oval, 3 bundle scars.
Bark: Cinnamon-coppery colored or reddish-brown and peels off.
Flower: White, numerous, on a 2-3 inch long central stalk.
Fruit: 1/5 inch diameter, black fruit on long central stalk.
Habit: Medium sized, rounded shade tree. 15-30 feet tall.
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