Viola sheltonii Description. Illustrations: 6 photographs of Viola sheltonii and 2 drawings. Two separate montane populations of V. sheltonii exist: one west from the Sierra Nevada Mountains of California, Oregon and Washington states, the other in the Rocky Mountains, from Montana to southwestern Colorado. Half of the plant remains underground, so that the crown of the…
Category: Viola section
Viola hallii A. Gray
Viola hallii Description. Illustrations: 3 photographs of Viola hallii and 2 drawings This rare violet species is classified in the subsection Chrysanthae, very closely related to V. beckwithii, however the plants of V. hallii are completely glabrous, the divided leaves are pale green and the flowers more rounded. Its two upper petals are dark…
Viola scopulorum
Viola scopulorum Description. Illustrations: 2 photographs of Viola scopulorum and 2 drawings. Viola scopulorum (Boulder Co, CO. May 1995) A diploid species of subsection Canadenses, Viola scopulorum is tall, with rigid vertical stems, similar in height and general habit to V. canadensis. However the leaves, petioles and flowers are smaller, basal leaves are about half the…
Viola flettii
Viola flettii Piper Description. Illustrations: 3 photographs of Viola flettii and 2 drawings. During two periods of glaciation in the last Ice Age, 18,000 and 15,000 years ago, most of the Olympic Peninsula in Washington State was covered by extensive glaciers. However the tops of the higher peaks on the eastern edge of the peninsula…
Viola umbraticola
Viola umbraticola Kunth (or HBK.) var glaberrima Becker Description. Illustrations: 3 photographs of Viola umbraticola and 1 drawing. A xerophytic member of subsection Rostratae, similar in appearance to Viola adunca (with which it is often confused) except for its lack of stems. The plants are small with blue flowers scarcely above the leaves, partly obscured…