''Calylophus lavandulifolius'' (lavender leaf sundrops, formerly ''Oenothera lavandulifolia'') is a low-growing

perennial plant A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

in the evening primrose family found in the Colorado Plateau and Canyonlands region of the southwestern United States.Canyon Country Wildflowers, Damian Fagan, 2nd ed., 2012, Morris Bush Publishing, LLC. in cooperation with Canyonlands Natural History Association,

Inflorescence and fruit

From May to July it blooms with striking yellow flowers that fade to shades of orange or lavender as the flower dries up.

Habitat and range

It grows in

blackbrush scrub Blackbush scrub,Mojave Desert Wildflowers, Pam Mackay, p18, 252 or blackbrush scrub,Canyon Country Wildflowers, Damian Fagan, p 3, 105 is a vegetation type of the Western United States deserts characterized by low growing, dark gray blackbush (''Co ...

and mixed desert shrub up into

pinyon juniper woodland Pinon, Piñon, Piñón, or Pinyon may refer to: * Pinyon pine (piñon pine), a group of several species of North American pine trees (genus ''Pinus'') ** the edible pine nuts of these trees ** Pinyon-juniper woodland * the edible seeds of the Sout ...

and ponderosa pine forest communities, as far north as South Dakota, and up to in elevation in the southwest.

References

Onagraceae Flora of the Northwestern United States Flora of the United States Flora of the South-Central United States Flora of the Southwestern United States Flora of the Colorado Plateau and Canyonlands region Flora of the Great Plains (North America) Taxa named by Asa Gray Taxa named by John Torrey {{Myrtales-stub