Most trees with this configuration can be recalled with the mnemonic MAD-Cap-Horse.
with …
twigs=thick (≥6 mm) (≥¼ in) AND terminal bud[?]=​conspicuous and ⬮ oval or twigs=thin (<6 mm) (<¼ in) OR terminal bud[?]=​inconspicuous or not ⬮ oval :
terminal bud[?]=dark smooth sticky long (≥6 mm) (≥¼ in)🐎︎ 🌰︎ horse chestnut Aesculus hippocastanum or terminal bud[?]=light-colored or rough or not-sticky or short (<6 mm) (<¼ in) :
bud ⨇ scales have keel-line; bruised twigs have a 👃︎ disagreeable smell🌰︎ Ohio buckeye Aesculus glabra bud ⨇ scales have no keel-line◼︎ 🌰︎ yellow buckeye Aesculus flava
terminal bud[?]=rough+dry; leaf scars[?]=shield- or ⬮ oval-shaped, vascular bundle scars[?] make lineash genus Fraxinus
⬮ leaf scars[?]=∨ angular (V-shaped), each leaf scar has 3 vascular bundle scars[?]🍁︎ maple genus Acer ⬮ leaf scars[?] join to make line all around twig, each leaf scar has 3 vascular bundle scars[?]flowering dogwood Cornus florida
🏠︎ terrestrial woody plants that had 🍁︎🍂︎🌿︎ broadleaves 🍃︎ now gone