| Hulsea algida | |
|---|---|
 | |
| Kings Canyon National Park, California | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Hulsea |
| Species: | H. algida |
| Binomial name | |
| Hulsea algida | |
| Synonyms [1] | |
| |
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.
H. algida is a hairy, glandular perennial herb producing stout erect stems approaching 40 centimeters (16 inches) in height. The dark green leaves are narrow and covered in white hairs, and the edges are wavy and toothed. Most of the leaves occur in a thick patch at the base of the plant, where they can reach 15 cm (6 in) in length, [2] and some grow from the stems. [3]
Appearing from July to September, the pseudanthium (flower head) is encased in a cup of densely woolly reddish green phyllaries which open to reveal a daisy-like bloom 5–9 cm (2–3+1⁄2 in) wide. [2] The center of the head is filled with yellow or orange disc florets and the circumference has up to 60 bright yellow or gold ray florets each about 1 cm long with rounded or toothed tips. [3] The fruit is an achene up to 1 cm long with a pappus which may be longer. [3]
H. nana is similar, but rarely more than 10 cm (4 in) tall, with a leafless stalk and 21 ray flowers per pseudanthium. [2]
The species is native to California, Oregon, Nevada, Idaho, Montana, and Wyoming. [4] Within California, it grows in the Sierra Nevada and in the White Mountains. It grows between 2,900 and 4,300 metres (9,500 and 14,000 feet) in elevation, in alpine and subalpine talus habitats. [5]
Eriophyllum wallacei is a North American flowering plant in the family Asteraceae known by the common names woolly daisy and woolly easterbonnets. It grows in the southwestern United States and northwestern Mexico. It may grow in clumps or on short erect stems in sand, rocks, and gravel.
Erigeron inornatus is a North American species of flowering plant in the family Asteraceae known by the common name California rayless daisy, California rayless fleabane, rayless fleabane, Lava rayless fleabane
Eriophyllum confertiflorum, commonly called golden yarrow or yellow yarrow, is a North American species of plant in the family Asteraceae, native to California and Baja California. It has wooly leaves when young, and yellow flower heads. "Eriophyllum" means "wooly leaved."
Helianthella californica is a species of flowering plant in the family Asteraceae known by the common name California helianthella. This wildflower is native to the mountains of California, northwestern Nevada, and southwestern Oregon.
Helianthus cusickii is a species of sunflower known by the common names Cusick's sunflower and turniproot sunflower. It is native to the western United States from Washington, Oregon, Idaho, northern California, and northwestern Nevada.
Hulsea brevifolia is a species of flowering plant in the family Asteraceae known by the common name shortleaf alpinegold, or shortleaf hulsea. It is endemic to California, where it is an uncommon resident of the High Sierra. It is found between 6,000–8,000 feet (1,800–2,400 m) in elevation.
Hulsea heterochroma, commonly known as redray alpinegold, is a species of flowering plant in the family Asteraceae.
Hulsea nana is a North American species of flowering plant in the family Asteraceae known by the common name dwarf alpinegold. It is native to the western United States from Washington, Oregon, and far northern California.
Hulsea vestita is a species of flowering plant in the family Asteraceae known by the common name pumice alpinegold.
Arnica parryi is a North American species of flowering plant known by the common names Parry's arnica or nodding arnica. It is native to western Canada and the western United States as far south as Inyo County, California and McKinley County, New Mexico. It grows in temperate coniferous forests and alpine meadows in mountainous areas, primarily the Rocky Mountains, Cascades, and Sierra Nevada.
Arnica sororia is a North American species of flowering plant known by the common name twin arnica. It is native to Western Canada and the Western United States. It grows in grasslands and in conifer forests, as well as the sagebrush steppe.
Hymenoxys hoopesii is a species of flowering plant in the daisy family known by the common names owl's claws, orange sneezeweed, and yerba del lobo. It is native to the western United States, where it grows in habitats of moderate elevation, such as mountain meadows in the Rocky Mountains, Sierra Nevada, southern Cascades, and other ranges. It has been found from Arizona, New Mexico, and central California north as far as Montana and Oregon.
Enceliopsis nudicaulis is a North American species of flowering plants in the family Asteraceae known by the common name nakedstem sunray, or naked-stemmed daisy.
Erigeron tener is a North American species of flowering plant in the family Asteraceae known by the common name slender fleabane. It is native to the western United States, largely in the Great Basin, in the states of California, Arizona, Nevada, Utah, Oregon, Wyoming, Idaho, and Montana.
Dieteria canescens is an annual plant or short lived perennial plant in the family Asteraceae, known by the common names hoary tansyaster and hoary-aster.
Nothocalais alpestris is a species of flowering plant in the family Asteraceae known by the common name alpine lake false dandelion. It is native to the Cascade Range, Sierra Nevada and other mountains from northern Washington to central California, where it grows in subalpine forests and meadows, most commonly at 1,200–2,700 m (4,000–9,000 ft) elevation.
Packera werneriifolia, known by the common names alpine rock butterweed and hoary groundsel, is a species of flowering plant in the aster family. It is native to the western United States in the Sierra Nevada mountain habitat in subalpine and alpine climates, including forests and barren talus.
Tonestus peirsonii is a local-endemic species of flowering plant in the aster family known by the common names Inyo tonestus, Peirson's serpentweed and Peirson's tonestus.
The flora of the U.S. Sierra Nevada alpine zone is characterized by small, low growing, cushion and mat forming plants that can survive the harsh conditions in the high-altitude alpine zone above the timber line. These flora often occur in alpine fell-fields. The Sierra Nevada alpine zone lacks a dominant plant species that characterizes it, so may or may not be called a vegetation type. But it is found above the subalpine forest, which is the highest in a succession of recognized vegetation types at increasing elevations.
Erigeron glacialis, the glacial daisy, glacial fleabane, Subalpine fleabane, or wandering fleabane, is a western North American perennial plant in the family Asteraceae.
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