Neviusia
Encyclopedia
Neviusia is a genus of ornamental plant
s, which are native to the United States
, containing two extant species and one extinct species known from leaf fossils. This genus is a rare example of a disjunct
range occurring in North America. The type species, Neviusia alabamensis
, occurs in several southeastern states, while second extant species, Neviusia cliftonii
, is endemic to the Mt Shasta region of California
, and the extinct species Neviusia dunthornei
is found in shale
deposits in the Okanagan Highland
s of Washington and British Columbia.
Ornamental plant
Ornamental plants are plants that are grown for decorative purposes in gardens and landscape design projects, as house plants, for cut flowers and specimen display...
s, which are native to the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
, containing two extant species and one extinct species known from leaf fossils. This genus is a rare example of a disjunct
Disjunct
The term disjunct can refer to:* disjunct * disjunct or quincunx in astrology, an aspect made when two planets are 150 degrees, or five signs apart...
range occurring in North America. The type species, Neviusia alabamensis
Neviusia alabamensis
Neviusia alabamensis is a perrenial ornamental plant, which is native to the United States where it occurs in several southeastern states. It is one of three species in the genus Neviusia, the others being the California endemic species, Neviusia cliftonii, and the extinct species Neviusia...
, occurs in several southeastern states, while second extant species, Neviusia cliftonii
Neviusia cliftonii
Neviusia cliftonii is a rare species of shrub in the rose family which is known by the common name Shasta snow-wreath. It is endemic to Shasta County, California, where it is known from fewer than 20 occurrences in the mountains around Lake Shasta....
, is endemic to the Mt Shasta region of California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
, and the extinct species Neviusia dunthornei
Neviusia dunthornei
Neviusia dunthornei is an extinct species of flowering plant in the Rosaceae family. The species is solely known from the early Eocene, Ypresian stage, Allenby formation Lacustrine deposits near the town of Princeton, British Columbia....
is found in shale
Shale
Shale is a fine-grained, clastic sedimentary rock composed of mud that is a mix of flakes of clay minerals and tiny fragments of other minerals, especially quartz and calcite. The ratio of clay to other minerals is variable. Shale is characterized by breaks along thin laminae or parallel layering...
deposits in the Okanagan Highland
Okanagan Highland
The Okanagan Highland is a plateau-like hilly area in British Columbia, Canada, and the U.S. state of Washington . It lies between the Okanagan Valley on its west and the Kettle River on its east, and geologically is more or less an extension of the Thompson Plateau, which lies west of the Okanagan...
s of Washington and British Columbia.