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…
Category: Stemmed
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 ocellata
Viola ocellata, Torr. & A. Gray Description. Illustrations: 3 photographs of Viola ocellata and 3 drawings. Viola ocellata is an attractive white-flowered violet species from the redwood belt in the Coast Ranges of northwestern California and southwestern Oregon. Its new heart-shaped leaves appear after the arrival of the late autumn rains, growing through the relatively…
Viola lithion
Viola lithion N. Holmgren & P. Holmgren Description. Illustrations: 4 photographs of Viola lithion and 2 drawings. Viola lithion is one of three violets discovered in the period from 1980-1990. Its existence is endangered because of the small size of the two known populations, though it is unlikely to be disturbed as the sites, at…
Viola frank-smithii
Viola frank-smithii N. H. Holmgren Description. Illustrations: 4 photographs of Viola frank-smithii (1 with Frank Smith) and 2 drawings. One of three new violet species discovered in North America between 1980 and 1990, all of which grow in limestone or dolomite in the presence of conifers, either Douglas Firs or Bristlecone pines. Although this species…
Viola cuneata
Viola cuneata S. Wats. Description. Illustrations: 4 photographs of Viola cuneata and 2 drawings. One of a pair of very similarly flowered violet species growing in northwestern California and southwestern Oregon, Viola cuneata is narrowly localized in the Klamath-Siskiyou Range. Round, white-faced flowers have distinctive markings: a yellow central patch, relatively large, dark black-purple eyespots…
Viola canadensis
Viola canadensis L. syn. Viola rydbergii Greene Description. Illustrations: 7 photographs of Viola canadensis (and variants) and 3 drawings. A beautiful woodland plant, Viola canadensis is the tallest native violet species in North America with strong, upright, leafy stems and broadly heart-shaped leaves. It can be distinguished from other white-flowered violets by its bright yellow…
Viola walteri
Viola walteri Illustrations: 3 drawings and 5 photographs of Viola walteri, as labeled by Kim Blaxland. No descriptive text.
Viola langsdorffii
Viola langsdorffii (Regel) Fisch. Description. Illustrations: 5 photographs of Viola langsdorffii and 3 drawings. The Alaska violet grows in species-rich alpine meadows in mountain ranges of the North American northwest coast, and on the island of Unalaska in the Aleutian chain. It appears to be stemless at flowering, but later produces several tall, well-developed stems….
Viola rostrata
Viola rostrata No description of this species Illustrations: 5 photographs of Viola rostrata and 2 drawings. Kim noted the colour of flowers as shown in the captions, referring to the RHS Colour Chart .