Lomatium greenmanii is a rare species of flowering plant in the carrot family

Apiaceae

The Apiaceae , commonly known as carrot or parsley family, is a group of mostly aromatic plants with hollow stems. The family is large, with more than 3,700 species spread across 434 genera, it is the sixteenth largest family of flowering plants...

 known by the common names Greenman's desertparsley and Greenman's biscuitroot. It is endemic to Oregon

Oregon

Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

 in the United States, where it is found only in the Wallowa Mountains

Wallowa Mountains

The Wallowa Mountains are a mountain range located in the Columbia Plateau of northeastern Oregon in the United States. The range runs approximately 40 mi northwest to southeast in southwestern Wallowa County between the Blue Mountains to the west and the Snake River to the east. The range is...

 of Wallowa County

Wallowa County, Oregon

Wallowa County is a county located in the U.S. state of Oregon. It is included in the 8 county definition of Eastern Oregon. According to Oregon Geographic Names, the origins of the county's name are uncertain, with the most likely explanation being that it is derived from the Nez Perce term for a...

.

This is a petite perennial herb with highly dissected green basal leaves each 3 to 6 centimeters long. The inflorescence

Inflorescence

An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

 is borne on a stem just a few centimeters tall. It is an umbel

Umbel

An umbel is an inflorescence which consists of a number of short flower stalks which are equal in length and spread from a common point, somewhat like umbrella ribs....

 of tiny yellow flowers. Blooming occurs in July and August after the snow melts in its high elevation habitat.

The plant grows in subalpine

Subalpine

The subalpine zone is the biotic zone immediately below tree line around the world. Species that occur in this zone depend on the location of the zone on the Earth, for example, Snow Gum in Australia, or Subalpine Larch, Mountain Hemlock and Subalpine Fir in western North America.Trees in the...

 climates in rocky areas or meadows amongst conifers. Other plants in the habitat may include short-leaved fescue (Festuca brachypylla), narrow false oat

Trisetum spicatum

Trisetum spicatum is a species of grass known by the common name spike trisetum. It is native to North America, Eurasia, and South America. In North America it occurs throughout northern regions, including northern sections of the United States and most all of Canada, its range continuing to...

 (Trisetum spicatum), Cusick's desertparsley

Lomatium cusickii

Lomatium cusickii is a perennial herb of the family Apiaceae. Its range is in the Northwestern United States.-See also:*...

 (Lomatium cusickii), dwarf mountain fleabane

Erigeron compositus

Erigeron compositus, also known as Dwarf Mountain Fleabane, Cutleaf Daisy, and Trifid Mountain Fleabane, is a flowering plant in the genus Erigeron native to western North America to Greenland and eastern Canada....

 (Erigeron compositus), white coil-beak lousewort

Pedicularis contorta

Pedicularis contorta is a species of flowering plant in the broomrape family known by the common names coiled lousewort and curved-beak lousewort. It is native to western North America, including southwestern Canada and the northwestern United States, where it grows in moist mountainous habitat,...

 (Pedicularis contorta), and Mt. Hood pussypaws

Cistanthe umbellata

Cistanthe umbellata is a species of flowering plant in the purslane family known by the common name Mount Hood pussypaws...

 (Cistanthe umbellata).

This plant grows on three mountain peaks in one mountain range in northeastern Oregon. Threats include trampling by hikers and tourists visiting Mount Howard. Trampling causes the rocky substrate to become unstable and may crush seedling

Seedling

thumb|Monocot and dicot seedlingsA seedling is a young plant sporophyte developing out of a plant embryo from a seed. Seedling development starts with germination of the seed. A typical young seedling consists of three main parts: the radicle , the hypocotyl , and the cotyledons...

s.