In the slanting afternoon sun after a passing shower and early in the mornings when the sun is low, we are dazzled by the shining beads of rain on the spicebush along the creek and the jewel weed growing thick in the wet bottom of the branch beside the house. Yesterday, this leaf-surface property of unwettability was apparent on the leaves of the Bleeding Heart beside the rock steps outside the back door. I’ve often observed it, but never really thought much about it. …

Water Off a Duck’s Back, Botanically Speaking Read more »