73b. Viola walteri House var. appalachiensis (L. K. Henry) L. E. McKinney ex S. P. Grund & B. L. Isaac, Castanea. 72: 59. 2007.
[E]
Appalachian blue or Appalachian violet Appalachian blue or Appalachian violet
Viola appalachiensis L. K. Henry, Castanea 18: 131. 1953, based on V. allegheniensis L. K. Henry, Castanea 18: 53, plate 2. 1953, not V. alleghanensis Roemer & Schultes 1819
Stipule margin processes to 1/2 stipule length. Leaf blade surfaces glabrous, if pubescent, hairs usually confined to adaxial surface. 2n = 20.
Flowering Apr–Jun. Mesic woodlands, open woodlands on serpentine, floodplains, edges of bogs and swamps; 500–1100 m; Md., N.C., Pa., W.Va.
L. E. McKinney (1986) considered the differences between Viola walteri and V. appalachiensis to be minor, choosing not to recognize the latter. H. E. Ballard and D. E. Wujek (1994) provided evidence to continue recognition of V. appalachiensis.
Variety appalachiensis is reported to hybridize with Viola striata (= V. ×wujekii H. E. Ballard).
