''Erigeron foliosus'', known by the common names leafy daisy and leafy fleabane, is a
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
n species of flowering plants in the family
Asteraceae
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...
.
[
Erigeron foliosus is native to western ]North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
from Oregon
Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...
, through California
California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
, into Baja California
Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...
. It can be found in many habitats, including chaparral
Chaparral ( ) is a shrubland plant community and geographical feature found primarily in the U.S. state of California, in southern Oregon, and in the northern portion of the Baja California Peninsula in Mexico. It is shaped by a Mediterranean c ...
, oak woodland
An oak woodland is a plant community with a tree canopy dominated by oaks (''Quercus spp.''). In terms of canopy closure, oak woodlands are intermediate between oak savanna, which is more open, and oak forest, which is more closed. Although the ...
s, and rocky talus.[CalFlora taxon report, University of California: ''Erigeron foliosus'' (leafy fleabane)]
/ref>[
]
Description
In general, ''Erigeron foliosus'' is an erect, clumping and branching perennial
A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...
daisy growing from woody roots to heights of anywhere between and .
Unlike some other fleabanes, it has leaves evenly spaced all over the stem. They may be thready or wide and flat, and are between long.[
Atop each branch of the leafy stem is an ]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. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...
of one to several flower heads
A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...
, each one to wide. The head has a center of golden yellow disc floret
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...
s surrounded by a fringe of up to 60 pale to medium purple ray florets
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...
.[Flora of North America, ''Erigeron foliosus'' Nuttall, Leafy fleabane ]
/ref>
Varieties
The recognized[ ]varieties
Variety may refer to:
Arts and entertainment Entertainment formats
* Variety (radio)
* Variety show, in theater and television
Films
* ''Variety'' (1925 film), a German silent film directed by Ewald Andre Dupont
* ''Variety'' (1935 film), ...
of ''Erigeron foliosus'' include:
* ''Erigeron foliosus'' var. ''confinis'' (Howell) Jeps. — endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to Klamath Mountains
The Klamath Mountains are a rugged and lightly populated mountain range in northwestern California and southwestern Oregon in the western United States. As a mountain system within both the greater Pacific Coast Ranges and the California Coast R ...
in northwestern California
California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
+ southwestern Oregon
Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...
* ''Erigeron foliosus'' var. ''foliosus'' — California
California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
(from Amador + San Mateo Counties south to San Diego County
San Diego County (), officially the County of San Diego, is a county in the southwestern corner of the U.S. state of California. As of the 2020 census, the population was 3,298,634, making it California's second-most populous county and the fi ...
), Baja California
Baja California (; 'Lower California'), officially the Free and Sovereign State of Baja California ( es, Estado Libre y Soberano de Baja California), is a state in Mexico. It is the northernmost and westernmost of the 32 federal entities of Mex ...
* ''Erigeron foliosus'' var. ''franciscensis'' G.L.Nesom — endemic to San Francisco Bay Area
The San Francisco Bay Area, often referred to as simply the Bay Area, is a populous region surrounding the San Francisco, San Pablo, and Suisun Bay estuaries in Northern California. The Bay Area is defined by the Association of Bay Area Go ...
* ''Erigeron foliosus'' var. ''hartwegii'' (Greene) Jeps. — California
California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
, Oregon
Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...
* ''Erigeron foliosus'' var. ''mendocinus'' (Greene) G.L.Nesom — Mendocino erigeron, Mendocino fleabane; Mendocino and Del Norte County
), in California
, seat_type = County seat
, seat = Crescent City
, parts_type = Largest city
, parts = Crescent City
, unit_pref = US
, area_total_sq_mi = 1230
, area_land_sq_mi = 1006
, area_water_sq_mi = 223
, elevation_max_footnote ...
, California
California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
CalFlora Database: ''Erigeron foliosus'' var. ''mendocinus''
/ref>
References
External links
Jepson Manual Treatment of ''Erigeron foliosus''United States Department of Agriculture Plants Profile: ''Erigeron foliosus''
''Erigeron foliosus'' — Calphotos Photo gallery, University of California
{{Taxonbar, from=Q5388401
foliosus
Flora of California
Flora of Oregon
Natural history of the California Coast Ranges
Natural history of the Mojave Desert
Natural history of the Peninsular Ranges
Plants described in 1840
Natural history of the Santa Monica Mountains
Flora without expected TNC conservation status