Leaves can be enjoyed for their shade, autumn colors, or taste, and the arrangement of leaves on a plant is a practical way to identify a species. However, the details of how plants control their leaf ...

The spiral pattern of an Aloe polyphylla plant at the University of California Botanical Garden. Stan Shebs via Wikicommons under CC BY-SA 3.0 To the untrained eye, plants may appear to grow rather ...

An unusual arrangement of leaves in a 407-million-year-old fossilized plant is complicating scientists’ understanding of plant evolution. Most land plants living today have spiral patterns involving ...

A 3D model of a 407-million-year-old plant fossil has overturned thinking on the evolution of leaves. The research has also led to fresh insights about spectacular patterns found in plants. Leaf ...

ASSUMING, as generally known, the main facts of Leaf-arrangement—the division into the whorled and spiral types, and in the latter more especially the establishment of the convergent series of ...

When leaves shift to the dorsal side of the fern’s stem, a smiley face pattern emerges in the stem’s vascular structure, as seen in this sample of a tobacco fern. Research by Assistant Professor Jacob ...

Here’s what you’ll learn when you read this story: The majority of plants have leaves, petals and seed structures in spirals that follow the Fibonacci sequence, meaning each sequence is the sum of the ...

A Japanese plant species with a peculiar leaf pattern recently revealed unexpected insight into how almost all plants control their leaf arrangement. Leaves can be enjoyed for their shade, autumn ...

THE chief part of the Rev. G. Henslow's objections (NATURE, vol. vii., p. 403) to my condensation-theory of leaf-arrangement are due to a double oversight on his part. First, he has overlooked the ...