It is a perennialherb producing a single stem with a basal rosette of leaves from a rhizome. It generally grows 20 to 30 centimeters tall. The basal leaves have oval blades up to 5 or 6 centimeters long borne on long petioles. They are green, usually with purple undersides. Smaller leaves may occur higher up the stem.
The inflorescence contains one or more flower heads, each lined with woolly, green- or red-tipped phyllaries. The head bears up to 13 narrow ray florets which are a distinctive orange or red-orange in color. They may approach 2 centimeters long.
Erigeron lassenianus is a species of flowering plant in the family Asteraceae known by the common name Mount Lassen fleabane.
Hulsea algida is a species of flowering plant in the daisy family, known by the common name Pacific hulsea or alpine gold. It is native to the western United States.
Hulsea heterochroma, commonly known as redray alpinegold, is a species of flowering plant in the family Asteraceae.
Calochortus obispoensis is a rare California species of flowering plants in the lily family known by the common name San Luis mariposa lily. It is endemic to San Luis Obispo County, California, where it grows in the chaparral of the coastal mountains, generally on serpentine soils.
Crepis modocensis is a species of flowering plant in the family Asteraceae known by the common name Modoc hawksbeard.
Prosartes hookeri is a North American species of flowering plants in the lily family known by the common names drops of gold and Hooker's fairy bells.
Mentzelia pectinata is a species of flowering plant in the family Loasaceae known by the common name San Joaquin blazingstar.
Nepenthes chang is a tropical pitcher plant endemic to the Banthad Mountains of eastern Thailand, where it grows at elevations of 300–600 m above sea level. It is thought to be most closely related to N. kampotiana.
Pyrrocoma apargioides is a species of flowering plant in the family Asteraceae known by the common name alpineflames. It is native to the western United States from the Sierra Nevada of California east to Utah, where it grows in the forests and meadows of high mountains. It is a perennial herb growing from a taproot and producing one or more stems to 30 centimeters in length. The stems are decumbent or upright, reddish, and hairless to slightly woolly. Most of the leaves are located around the base. They are thick and leathery, lance-shaped with large sawteeth along the edges, often center-striped in white, and measure up to 10 centimeters long. The inflorescence is usually a single flower head lined with centimeter-long phyllaries which are reddish to green with red edges. The head has a center of yellow disc florets and a fringe of ray florets which are yellow, often splashed with red along the undersides, measuring up to 1.6 centimeters in length. The fruit is an achene which may be well over a centimeter in length including its pappus.
Ribes montigenum is a species of currant known by the common names mountain gooseberry, alpine prickly currant, western prickly gooseberry, and gooseberry currant. It is native to western North America from Washington south to California and east as far as the Rocky Mountains, where it grows in high mountain habitat types in subalpine and alpine climates, such as forests and talus. It is a spreading shrub growing up to 1.5 meters tall, the branching stems covered in prickles and hairs and bearing 1 to 5 sharp spines at intervals.
Sedum obtusatum is a species of flowering plant in the family Crassulaceae known by the common name Sierra stonecrop. It is native to the Sierra Nevada and adjacent high mountain ranges of California, its distribution extending north into Oregon and east into Nevada. It grows in rocky mountain habitat.
Packera bernardina is a rare species of flowering plant in the aster family known by the common name San Bernardino ragwort.
Packera subnuda is a species of flowering plant in the aster family known by the common names Buek's groundsel and cleftleaf groundsel. It is native to western North America from the Northwest Territories to northern California to Wyoming, where it grows in high mountain meadows in subalpine and alpine climates.
Packera ganderi is a rare species of flowering plant in the aster family known by the common name Gander's ragwort. It is endemic to southern California, where it is known from a few occurrences in San Diego and Riverside Counties.
Packera indecora is a species of flowering plant in the aster family known by the common names elegant groundsel and rayless mountain ragwort. It is native to northern North America including most of Canada and sections of the northernmost United States. It grows in moist mountain habitat, such as streamsides and meadows.
Packera pauciflora is a species of flowering plant in the aster family known by the common name alpine groundsel. It is native to northern North America, where it can be found in parts of western and eastern Canada and the northwestern United States. It grows in subalpine and alpine climates, such as mountain meadows.
Silene grayi is a North American species of flowering plant in the family Caryophyllaceae, known by the common name Gray's catchfly.
Streptanthus breweri is a species of flowering plant in the mustard family known by the common name Brewer's jewelflower. It is endemic to California, where it can be found in the coastal mountain ranges from the Klamath Mountains south to the San Francisco Bay Area. Its habitat includes chaparral and woodlands, usually on serpentine soils. It is an annual herb producing an erect, branching stem up to about 80 centimeters in maximum height. It is hairless except for fine hairs on some of the inflorescence parts, and it may be waxy in texture. The basal leaves have oval blades borne on petioles, and the lance-shaped leaves farther up the stem clasp it at their bases. Flowers occur at intervals along the upper stem, sometimes in a zig-zagging, one-sided array. Each has an urn-shaped calyx of keeled greenish or purplish sepals under a centimeter long. White, purple, or purple-veined white petals emerge from the tip. The fruit is a narrow, curved silique which may be 9 to 11 centimeters in length.
Tonestus lyallii is a species of flowering plant in the family Asteraceae known by the common names Lyall's goldenweed, Lyall's serpentweed and Lyall's tonestus. It is native to western North America, particularly in the Rocky Mountains and the mountain ranges of the Pacific Northwest with scattered occurrences between. It is a perennial herb growing in clumps or short bunches not more than about 15 centimeters tall, the stem branching from a tough caudex. The leaves are smooth-edged and linear or lance-shaped, the largest at the base of the plant reaching up to about 8 centimeters long. The inflorescence is a single flower head or a pair of heads each about a centimeter wide with green or red phyllaries. The head bears at least 10 or 11 bright yellow ray florets around a center containing many tubular disc florets.
Erigeron maniopotamicus is a rare species of flowering plant in the family Asteraceae known by the common name Mad River fleabane. It is endemic to northwestern California, where it is known from only four locations in Humboldt and Trinity Counties.
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