with …

stem and twigs=⫴🫎 hairy like antler velvet, visible from several steps back
milky juice exuded from leaf injury
no taller than 7 m (23 ft)
staghorn sumac  Rhus typhina  or
stem and twigs=not noticeably ⫴ hairy from several steps back
no milky juice from leaf injury
various heights :

Stem and twigs=not noticeably ⫴ hairy from several steps back;  no milky juice from leaf injury;  various heights

leaves=small (<18 cm) (<7 in), each containing
9–19
leaflets=small   (<4 cm)  (<1½ in)  or

leaves=med. (∼ 20 cm) (∼ 8 in), each containing
13–15
leaflets=medium (∼ 5 cm) (∼ 2 in)  or

leaves=large (∼ 25 cm) (∼ 10 in), each containing
5–9
leaflets=large (∼ 8 cm) (∼ 3 in)  or
leaves=large (>20 cm) (>8 in)
leaflets=large (4–20 cm) (1½–8 in)
nuts on or under tree
butternut/hickory/pecan/walnut  family Juglandaceae :

Leaves=small (<18 cm) (<7 in), 9–19 leaflets=small (<4 cm) (<1½ in)

leaflet tips=∧ pointed
undersurface=hairless
🗻︎ American mountain ash  Sorbus americana
leaflet tips=⋂ blunt
undersurface=⫴ hairy
rowan or 🇪🇺 🗻︎ European mountain ash  Sorbus aucuparia

Leaves=medium (∼ 20 cm) (∼ 8 in), 13–15 leaflets=medium (∼ 5 cm) (∼ 2 in)

leaflet ▲▲ teeth=very large (visible from 🚶︎🚶︎🚶︎ 3 steps back), irregular (almost looks ▲▴▲▴ doubly-toothed)
staghorn sumac  Rhus typhina

Leaves=large (∼ 25 cm) (∼ 10 in),   5–9 leaflets=large (∼ 8 cm) (∼ 3 in)

leaflet ▲▲ teeth each tipped by a ⍋ stiff sharp spine[?]
evergreen
🍒︎ ripe fruits dark blue
Oregon grape  Mahonia aquifolium

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plant terminology

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🏠︎ 🌳︎ broadleaves, ╟ alternate, 🌿︎ compound