觀無量壽佛經義疏 2.101

2.101

「『其葉千色，有百種畫，如天瓔珞。』」三句明色。百種畫，即葉上痕脈。如天瓔者，狀其文也。二、明樹花。

"‘Its leaves have a thousand colors with a hundred kinds of patterns, like heavenly necklaces.’" The three sentences explain the color. "A hundred kinds of patterns" refers to the veins on the leaves. "Like heavenly necklaces" describes their patterning. Second, explaining the tree flowers.