Three graceful chocolate-drawn leaf designs line the frothy surface of this golden latte, showcasing the barista’s precision and artistic flair.

The Autumn Leaf pattern ware is not quite an antique, but more vintage as collector Marion Bertelsen, of Holmen, Wis., tells: “I have a setting of 10, was my mom’s!

While most leaf arrangement patterns keep a constant divergence angle, the O. japonica shrub, which is native to Japan and other parts of East Asia, grows leaves in an alternating series of four ...

The circle labeled 1 would have been formed just previously, and it forms the golden angle with bud 0. ... A surprising number of plants have spiral patterns in which each leaf, ...