Holozonia | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Asterales |
Family: | Asteraceae |
Subfamily: | Asteroideae |
Tribe: | Madieae |
Subtribe: | Madiinae |
Genus: | Holozonia Greene |
Species: | H. filipes |
Binomial name | |
Holozonia filipes | |
Synonyms [1] | |
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Holozonia is a North American genus of flowering plants in the family Asteraceae. It contains only one known species Holozonia filipes, which is known by the common name whitecrown. It is endemic to California. [2] [3]
Holozonia filipes is a scraggly rhizomatous perennial herb growing a hairy, glandular, branching stem 30 centimeters (1 foot) to 1.5 meters (5 feet) long. The lower stem is gray-green and the upper stem branches are green to red in color. The lance-shaped leaves are up to 10 centimeters (4 inches) long and covered in resin glands. They are arranged oppositely on the lower part of the stem. The flower heads appear at the ends of the stem branches in a loose inflorescence. Each head has layers of sticky, hairy phyllaries. The ray florets are each divided into long lobes and are white in color. The disc florets are white with large purple anthers. [4] [5]
Erigeron blochmaniae is a species of flowering plant in the family Asteraceae known by the common names Blochman's erigeron and Blochman's leafy daisy.
Erigeron lassenianus is a species of flowering plant in the family Asteraceae known by the common name Mount Lassen fleabane.
Chaetopappa ericoides is a species of flowering plant in the family Asteraceae known by the common names rose heath and heath-leaved chaetopappa. It is native to the southwestern and western Great Plains regions of the United States, plus northern Mexico. It is found in California, Nevada, Arizona, Utah, New Mexico, Colorado, Wyoming, Texas, Oklahoma, Kansas, Nebraska, Chihuahua, Coahuila, Sonora, Durango, Zacatecas, San Luis Potosí, and Nuevo León.
Brickellia californica, known by the common name California brickellbush, is a species of flowering plant in the family Asteraceae.
Ambrosia chamissonis is a species of ragweed known by the common names silver burr ragweed, silver beachweed and (silver) beach bur(r).
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.
Agoseris apargioides is a species in the family Asteraceae, is commonly called seaside agoseris or seaside false-dandelion. It is native to the Pacific coast of the United States from Washington to central California, where it grows primarily on coastal dunes.
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.
Arnica spathulata is a rare North American species of flowering plant in the family Asteraceae, known by the common name Klamath arnica. It is native to the Klamath Mountains of northwestern California and southwestern Oregon. It grows in woodland habitat, almost exclusively on serpentine soils.
Blepharizonia plumosa is a California species of tarweed known by the common name big tarweed. It is endemic to central California, where it grows in the Central Coast Ranges and adjacent sections of the southern San Francisco Bay Area and Central Valley, from southern Sonoma County south as far as San Luis Obispo County.
Brickellia desertorum is a species of flowering plant in the family Asteraceae known by the common names desert brickellbush and desert brickellia. It is native to Mexico, Central America, the West Indies, and the southwestern United States.
Calycadenia oppositifolia is a species of flowering plant in the family Asteraceae known by the common name Butte County western rosinweed. It is native primarily to Butte County, California, although a few populations have been found in other parts of the state. It grows in the foothills of the high mountain ranges.
Calycadenia pauciflora is a species of flowering plant in the family Asteraceae known by the common name smallflower western rosinweed. It is endemic to northern California, where it grows in the Coast Ranges north of the San Francisco Bay Area from Napa County to Tehama County, often on serpentine soils.
Calycadenia spicata is a species of flowering plant in the family Asteraceae known by the common name spiked western rosinweed. It is endemic to central California, where is a common grassland plant in the Central Valley and adjacent Sierra Nevada foothills from Butte County to Kern County.
Crepis acuminata is a North American species of flowering plant in the family Asteraceae known by the common name tapertip hawksbeard. It is native to the western United States where it grows in many types of open habitat.
Crepis bakeri is a species of flowering plant in the family Asteraceae known by the common name Baker's hawksbeard. It is native to the western United States where it grows in many types of mountain and plateau habitat. It is found in Oregon, Washington, Idaho, northern California, Nevada, and Utah.
Erigeron biolettii is a species of flowering plant in the family Asteraceae known by the common names streamside daisy and Bioletti's fleabane. It was named for University of California Professor of Viticulture and Enology Frederick Bioletti when he was an undergraduate. It is endemic to California, where it is known only from the North Coast Ranges from Marin and Solano Counties north to Humboldt County. There is a report of the species growing in Alameda County, but it is from an urban area in Crestmont, hence probably either a cultivated specimen or an escaped introduction.
Chaenactis suffrutescens is a species of flowering plant in the aster family known by the common name Shasta chaenactis.
Jensia rammii is a species of flowering plant in the family Asteraceae known by the common name Ramm's madia. It is endemic to California, where it is limited to the northern slopes of the Sierra Nevada and its foothills.
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.