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u/HelioYummy

r/MinnesotaNature
Image 1 — Tannin stains on concrete from a red maple
Image 2 — Tannin stains on concrete from a red maple
Image 3 — Tannin stains on concrete from a red maple
Image 4 — Tannin stains on concrete from a red maple
Image 5 — Tannin stains on concrete from a red maple
Image 6 — Tannin stains on concrete from a red maple
Image 7 — Tannin stains on concrete from a red maple
▲ 118 r/MinnesotaNature

Tannin stains on concrete from a red maple

Red Maples have exceptionally high tannin concentrations. They routinely rank near the top for tannin density among temperate deciduous trees. Sugar maples as well.

Happy fall. 🍂

u/HelioYummy — 14 days ago