"Lanceolate, when it is three or more times as long as it is broad, and rounded at the base, and tapering…
"Peltate, with the petiole inserted in the lamina, but not in the center of it."—Darby, 1855
"Ruccinate, when the divisions of a pinnatifid leaf are more or less triangular, and pointing downwards."—Darby,…
A species of sunflower cultivated for its tuber, which is used as a root vegetable.
Also known as Pinus monophylla. The pine cone of a Single-leaf Pinyon.
Also known as Populus tremuloides. A species of tree native to the cooler areas of North America.
Also known as Populus deltoides. The branch of an Eastern Cottonwood, native throughout the eastern,…
Also known as Populus fremontii. The branch of a Fremont Cottonwood tree, native to western North America.
Also known as Salix nigra. The branch of a Black Willow tree, native to eastern North America.
Also known as Salix amygdaloides. The branch of a Peachleaf Willow tree, native to southern Canada and…
Also known as Salix laevigata. The branch of a Red Willow tree, native to Pacific Coastal California.
Also known as Salix bonplandiana. The branch of a Bonpland Willow, native to southern and southwest…
Also known as Salix lucida. The branch of a Pacific Willow tree, native to wetland habitats in northern…
Also known as Salix taxifolia. The branch of a Yewleaf Willow, native to southern Mexico and the Pacific…
Also known as Salix cordata. The branch of a Sand Dune Willow, native to northeast North America.
Also known as Salix lasiolepis. The branch of an Arroyo Willow tree, native to western and southwestern…