Date: 1944
Creator: Watts, May Theilgaard
Type: Drawing
Description:Illustrations depicting four groups of staminate and pistillate flowers with associated outline of six trees, created to accompany "The Flowers Nobody Knows" article featured in Morton Arboretum Bulletin of Popular Information. Descriptive text identifies coloring, anatomy, and bloom time.
Header: Trees with Flowers Borne in Clusters
Illustrations are separated into four sections, from top to bottom:
Section 1: Pistillate and Staminate Flowers on Different Trees
(depicted from left to right)
- White ash -- Fraxinus americana
- Box-elder -- Acer negundo
Section 2: Pistillate and Staminate Flowers in separate clusters on same tree, or in same cluster, or on different trees
(depicted from left to right)
- Sugar maple -- Acer saccharum
- Silver maple -- Acer saccharinum
Section 3: Flowers borne in spherical heads
- Sycamore -- Platanus occidentalis
Section 4: Flowers contain both pistil and stamens
- American elm -- Ulmus americana
Extent: 1 sheet