Pseudognaphalium Californicum on:
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''Pseudognaphalium californicum'' (
''Pseudognaphalium californicum'' is an annual or biennial herb growing a branching stem reaching 20 to 80 centimeters in height. Stem branches bear linear to somewhat lance-shaped leaves 2 to 20 centimeters long. The green herbage is glandular and scented. The leaves produce a distinctive citrus aroma.
The
File:Gnaphalium californicum.jpg, alt=California rabbit tobacco, California rabbit tobacco
File:Gnaphalium californicum capitulescence 2004-04-07.jpg, alt=Also California cudweed, Also California cudweed
File:Asteraceae Pseudognaph alium californicum California everlasting.jpg, alt=Alternate varietal, Alternate varietal
File:Gnaphalium californicum capitula 2003-05-19.jpg, alt=Macro view of bisexual outer flowers, Macro view of bisexual outer flowers
Jepson Manual Treatment: ''Pseudognaphalium californicum''USDA Plants Profile: ''Pseudognaphalium californicum''Flora of North America
*
''Pseudognaphalium californicum'' — U.C. Photo gallery
* californicum Flora of California Flora of Baja California Flora of Oregon Flora of the Cascade Range Flora of the Klamath Mountains Flora of the Sierra Nevada (United States) Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Natural history of the Channel Islands of California Natural history of the Peninsular Ranges Natural history of the San Francisco Bay Area Natural history of the Santa Monica Mountains Natural history of the Transverse Ranges Plants described in 1838 Flora without expected TNC conservation status {{Gnaphalieae-stub
syn.
The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently.
* In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linna ...
''Gnaphalium californicum'') is a species of flowering plant 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 ...
known by several common names, including ladies' tobacco, California rabbit tobacco, California cudweed, and California everlasting.
The plant is native to the west coast of North America from Washington
Washington commonly refers to:
* Washington (state), United States
* Washington, D.C., the capital of the United States
** A metonym for the federal government of the United States
** Washington metropolitan area, the metropolitan area centered o ...
to 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 ...
, where it is a member of the flora of 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 Mediterrane ...
.
Description
''Pseudognaphalium californicum'' is an annual or biennial herb growing a branching stem reaching 20 to 80 centimeters in height. Stem branches bear linear to somewhat lance-shaped leaves 2 to 20 centimeters long. The green herbage is glandular and scented. The leaves produce a distinctive citrus aroma.
The 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 ...
is a wide cluster of 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 enveloped in an involucre of rows of bright white phyllaries
In botanical terminology, a phyllary, also known an involucral bract or tegule, is a single bract of the involucre of a composite flower. The involucre is the grouping of bracts together. Phyllaries are reduced leaf-like structures that form one ...
.
Classification
Classification is disputed between the genera ''Pseudognaphalium
''Pseudognaphalium'' is a genus of flowering plants in the sunflower family.
Members of the genus are commonly known as cudweeds or rabbit tobacco ('' P. obtusifolium'' is the original species with that name). They are widespread in temperate ...
'' and ''Gnaphalium
''Gnaphalium'' is a genus of flowering plants in the family Asteraceae, commonly called cudweeds. They are widespread and common in temperate regions, although some are found on tropical mountains or in the subtropical regions of the world.
Cudw ...
''.
Images
External links
Jepson Manual Treatment: ''Pseudognaphalium californicum''
*
''Pseudognaphalium californicum'' — U.C. Photo gallery
* californicum Flora of California Flora of Baja California Flora of Oregon Flora of the Cascade Range Flora of the Klamath Mountains Flora of the Sierra Nevada (United States) Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Natural history of the Channel Islands of California Natural history of the Peninsular Ranges Natural history of the San Francisco Bay Area Natural history of the Santa Monica Mountains Natural history of the Transverse Ranges Plants described in 1838 Flora without expected TNC conservation status {{Gnaphalieae-stub