Petasites officinalis
1928
From the collection of National Gallery of Art
1928
From the collection of National Gallery of Art
This is a close-up of a single plant cone with lots of small, rounded scales stacked tightly together. The stem is thin and rough, with a few dried leaves curling at the sides. The whole thing is drawn in shades of gray and white, with no color. The artist used a method that makes light and shadow very clear, almost like a sketch but with smooth tones. This isn’t a painting—it’s a printed photo of a plant. Look up technique: chiaroscuro next to see how this effect works.