"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…
Also known as Salix discolor. The branch of an American Willow, native throughout North America.
Also known as Salix bebbiana. The branch of a Beaked Willow, native to Canada and the northern United…
Also known as Salix hookeriana. The branch of a Hooker's Willow tree, native to the west coast of North…
Also known as Salix sitchensis. The branch of a Sitka Willow tree, native to northwestern North America.
Also known as Salix alaxensis. The branch of an Alaska Willow tree, a species of willow.
Also known as Carpinus caroliniana. The branch of an American Hornbeam, native to eastern North America.
Also known as Betula lenta. A species of birch native to eastern North America.
Also known as Betula lenta. The branch of a Yellow Birch tree, native to eastern North America.
Also known as Betula nigra. The branch of a River Birch tree, native to eastern United States.
Also known as Betula populifolia. The branch of a Gray Birch tree, native to northeast North America.