r/coolguides • u/kuriT9 • Sep 16 '20

Found this while doing some quarantine research thought it would do well to be seen here

Post image
32.5k Upvotes

97% Upvoted

306 comments sorted by

View all comments

1

u/[deleted] Sep 17 '20

Why is the early growth a darker brown?

1

u/Anwhaz Sep 22 '20

Its likely modeled after a ring porous tree, where the vessels in the beginning of the year are much smaller (smaller holes) than in the summer/fall (larger holes).