Helianthus is a genus comprising about 70 species of annual and perennial flowering plants in the daisy family Asteraceae commonly known as sunflowers. Except for three South American species, the species of Helianthus are native to North America and Central America. The best-known species is the common sunflower, whose round flower heads in combination with the ligules look like the Sun. This and other species, notably Jerusalem artichoke, are cultivated in temperate regions and some tropical regions, as food crops for humans, cattle, and poultry, and as ornamental plants. The species H. annuus typically grows during the summer and into early fall, with the peak growth season being mid-summer.
Eriophyllum lanatum, with the common names common woolly sunflower, Oregon sunshine and golden yarrow, is a common, widespread, North American plant in the family Asteraceae.
Eriophyllum lanosum, the white woolly daisy or white easterbonnets, is a spring wildflower in the family Asteraceae. It grows in the eastern Mojave Desert and the Sonoran Desert in the southwestern United States and northwestern Mexico.
Eriophyllum latilobum, the San Mateo woolly sunflower, is a perennial herb of sharply limited range, endemic and occurring only in the state of California, United States. This flowering plant of the family Asteraceae has been listed as an endangered species by the U.S. federal government as well as the state of California.
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.
Echinops sphaerocephalus, known by the common names glandular globe-thistle, great globe-thistle or pale globe-thistle, is a Eurasian species of globe-thistle belonging to the tribe Cardueae within the family Asteraceae.
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."
Eriophyllum staechadifolium is a flowering plant in the family Asteraceae which is known by the common name seaside woolly sunflower. It is native to the coastline of Oregon and California including the Channel Islands. This is a plant of the beaches, dunes, and coastal scrub.
Gutierrezia californica is a North American species of flowering plant in the family Asteraceae known by the common names San Joaquin snakeweed and California matchweed. It is native to California and Arizona in the United States and Baja California in Mexico. It grows in sunny sandy or rocky areas in grasslands, scrub, or open woodlands.
Helianthus californicus is a North American species of sunflower known by the common name California sunflower. It is native to California in the United States and Baja California in Mexico, where it grows in many types of habitats.
Hulsea californica is a rare species of flowering plant in the family Asteraceae known by the common names San Diego alpinegold and San Diego sunflower. It is endemic to southern California, where it grows only in the Peninsular Ranges.
Chaenactis artemisiifolia, with the common name white pincushion, is a species of flowering plant in the daisy family. It is native to the coastal Peninsular Ranges of Southern California and Baja California, in the chaparral and woodlands.
Baileya pleniradiata is a North American species of flowering plant in the daisy family, known by the common name woolly desert marigold. It is native to desert regions of the southwestern United States and northern Mexico, where it grows in sandy habitats. It has been found in the States of Chihuahua, Sonora, Baja California, Arizona, Utah, and Nevada.
Eriophyllum mohavense, also known as the Mojave woolly sunflower or the Barstow woolly sunflower, is a rare species of small annual flowering plant in the family Asteraceae, found only (endemic) in the Mojave Desert of California.
Eriophyllum ambiguum is a species of flowering plant in the family Asteraceae known by the common name beautiful woolly sunflower. It is native to the deserts and adjacent hills of southern and eastern California, northwestern Arizona, and southern Nevada.
Eriophyllum congdonii, known by the common name Congdon's woolly sunflower, is a rare California species of flowering plant in the family Asteraceae.
Eriophyllum jepsonii is a rare North American species of flowering plant in the family Asteraceae known by the common name Jepson's woolly sunflower. It is endemic to California, where it has been found in the Central Coast Ranges and adjacent hills from Contra Costa County to Ventura County.
Constancea is a monotypic genus of flowering plants in the family Asteraceae containing the single species Constancea nevinii, which is known by the common name Nevin's woolly sunflower. It is endemic to three of the Channel Islands of California, where it grows in coastal scrub habitat. This is a small shrub or subshrub generally growing up to one or 1.5 meters tall, and taller when an erect form, with a branching, woolly stem. The whitish, woolly oval leaves may be up to 20 centimeters long and are divided into many narrow lobes with edges curled under. The inflorescence is a cluster of 10 to 50 or more small flower heads, each on a short peduncle. The flower head has a center of hairy, glandular, star-shaped yellow disc florets and a fringe of four to nine yellow ray florets, each about 2 millimeters long. The fruit is an achene a few millimeters long with a small pappus at the tip.
Eriophyllum nubigenum, the Yosemite woolly sunflower, is an uncommon flowering plant in the family Asteraceae. It is endemic to California, where it is known only from the Sierra Nevada in and around Yosemite National Park.
Eriophyllum pringlei is a North American species of flowering plant in the family Asteraceae known by the common name Pringle's woolly sunflower. It is native to the southwestern United States and northern Mexico, where it grows in several types of desert, canyon, and hillside habitat, such as chaparral and sagebrush.
