Comparison between Q. purhepecha and
similar shrub oak species of the Trans-Mexican Volcanic Belt
(After De Luna-Bonilla, Valencia-A., A.Coombes & al. 2024)
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Q. purhepecha
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Q. microphylla
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Q. repanda
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Q. frutex
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| Stipules | persistent | deciduous or persistent in the apical buds | persistent | deciduous |
| Petiole | 2.3-3.4 mm | 2.2-3.4 mm | 3.5-7 mm | 1-7 mm |
| Blade shape | slightly obovate, oblong or ovate-lanceolate | elliptic-oblong | obovate to oblanceolate | elliptic-oblong |
| Base | rounded or slightly subcordate | truncate to rounded | cuneate to rounded | attenuate-rounded to subcordate |
| Apex | acute, attenuated to rounded | obtuse to rounded | attenuate | obtuse to rounded |
| Margin | entire or with 1-2 (-7) short teeth | entire or with 2-3 lobes | entire, repand or crenate, revolute | entire, revolute |
| Abaxial face | white-papillose and somwhat bullate | papillose and slightly bullate | bullate and papillose | bullate and papillose |
| Abaxial trichomes | fasciculate shortly stipitate, without glandular ones | sessile fasciculate trichomes, without glandular ones | sessile fasciculate trichomes, with amber colored glandular ones | stipitate fasciculate trichomes, without glandular ones |
| Veins pairs | 6-12 | 5-7 | 5-9 | 5-8 (-10) |
| Acorns | 1-2 on a 7-20 mm long peduncle | 1-2 on a 8-9 mm long peduncle | 2-3 on a 10-25 mm long peduncle | 1-2 , sessile or on a ca. 20 mm long peduncle |