''Eriogonum zionis'', common name Zion wild buckwheat or Point Sublime wild buckwheat, is a plant species native to the southwestern United States, the states of
Utah
Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to it ...
and
Arizona
Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
. It grows on sandy or gravelly soil at elevations of 1300–2300 m.
Two varieties have been named:
var. ''zionis'', the Zion wild buckwheat, with white to yellow flowers, has been reported from scattered populations in 4 counties in Utah (
Kane,
San Juan San Juan, Spanish for Saint John, may refer to:
Places Argentina
* San Juan Province, Argentina
* San Juan, Argentina, the capital of that province
* San Juan, Salta, a village in Iruya, Salta Province
* San Juan (Buenos Aires Underground), ...
,
Washington
Washington commonly refers to:
* Washington (state), United States
* Washington, D.C., the capital of the United States
** A metonym for the federal government of the United States
** Washington metropolitan area, the metropolitan area centered on ...
, and
Wayne) and 2 counties in Arizona (
Coconino and
Mohave).
var. ''coccineum'' J. T. Howell, the Point Sublime wild buckwheat, with bright red flowers, is known from only two locations, one on the edge of the
Grand Canyon
The Grand Canyon (, yuf-x-yav, Wi:kaʼi:la, , Southern Paiute language: Paxa’uipi, ) is a steep-sided canyon carved by the Colorado River in Arizona, United States. The Grand Canyon is long, up to wide and attains a depth of over a m ...
in
Coconino County
Coconino County is a county in the north-central part of the U.S. state of Arizona. Its population was 145,101 at the 2020 census. The county seat is Flagstaff. The county takes its name from ''Cohonino'', a name applied to the Havasupai p ...
, the other from Hack Canyon in
Mohave County
Mohave County is in the northwestern corner of the U.S. state of Arizona. As of the 2020 census, its population was 213,267. The county seat is Kingman, and the largest city is Lake Havasu City. It is the fifth largest county in the United St ...
.
''Eriogonum zionis'' is an erect to spreading herb up to 10 cm tall. Leaves are up to 6 cm long, densely hairy on both sides. Flowers are white, yellow or red.
/ref>
References
{{Taxonbar, from=Q15594645
zionis
Flora of Utah
Flora of Arizona
Flora without expected TNC conservation status