Ginkgo biloba leaves Colored pencil, watercolor and graphite sketch by Krista Anandakuttan   Now that chlorophyll masks are off in the northern hemisphere, it’s time to enjoy carotenoids (the yellows and oranges),  and anthocyanins (reds and purples). It’s what leaves share with canaries. And daffodils. And carrots. And egg yolks. And bananas. -KA