''Heuchera parviflora'' is a species of flowering plant in the
saxifrage family known by the common names cave alumroot and littleflower alumroot. It is native to the eastern United States, where it is found primarily in the
Ozark Mountains
The Ozarks, also known as the Ozark Mountains, Ozark Highlands or Ozark Plateau, is a physiographic region in the U.S. states of Missouri, Arkansas, and Oklahoma, as well as a small area in the southeastern corner of Kansas. The Ozarks cover ...
,
Appalachian Mountains
The Appalachian Mountains, often called the Appalachians, are a mountain range in eastern to northeastern North America. The term "Appalachian" refers to several different regions associated with the mountain range, and its surrounding terrain ...
, and
Cumberland Plateau
The Cumberland Plateau is the southern part of the Appalachian Plateau in the Appalachian Mountains of the United States. It includes much of eastern Kentucky and Tennessee, and portions of northern Alabama and northwest Georgia. The terms " Al ...
. It is found in deeply shaded areas such as under rock overhangs and cliffs, almost always where no direct sunlight falls. In this habitat, it is often the only vascular plant found. ''H. parviflora'' is an uncommon species throughout its range. It flowers in late summer through fall.
There are two varieties described, which are sometimes considered distinct species. These are:
Flora of North America
/ref>
*''H. parviflora'' var. ''parviflora'' - Native to the Appalachian Mountains and the Interior Low Plateaus
The Interior Low Plateaus are a physiographic region in eastern United States. It consists of a diverse landscape that extends from north Alabama across central Tennessee and Kentucky into southern Illinois, Indiana, and Ohio. Its natural commun ...
.
*''H. parviflora'' var. ''puberula'' - Native to the Ozark Mountains
''Heuchera parviflora'' is a separate species from the similarly named '' Heuchera parvifolia'' of the western United States.
References
parviflora
Endemic flora of the United States
Flora of the Eastern United States
Flora of the Appalachian Mountains
Flora of the Southeastern United States
Flora without expected TNC conservation status
{{Saxifragaceae-stub