''Laphamia inyoensis'' (
synonym
A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are all ...
''Perityle inyoensis''), known by the common names Inyo rockdaisy and Inyo laphamia, is a rare species of flowering plant in the
aster family.
[Jepson eFlora]
/ref>[Flora of North America]
/ref>
It is endemic to Inyo County in eastern California.
It is known from just 10 populations in the southern Inyo Mountains, at elevations of .[ California Native Plant Society, Inventory of Rare and Endangered Plants (online edition, v8-02): ''Perityle inyoensis'']
. accessed 20 February 2017. Its habitat is dry, rocky mountain slopes, often in limestone.[
]
Description
''Laphamia inyoensis'' is a subshrub
A subshrub (Latin ''suffrutex'') or dwarf shrub is a short shrub, and is a woody plant. Prostrate shrub is a related term. "Subshrub" is often used interchangeably with "bush".Jackson, Benjamin, Daydon; A Glossary of Botanic Terms with their Der ...
made up of a cluster of several hairy slender stems up to about 25 centimeters long. The hairy, glandular leaves are one or two centimeters long, oval to triangular, pointed, and toothed on the edges. They may be arranged oppositely or alternately on the stems.[
The inflorescence bears one to three ]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 under a centimeter wide. The head has yellow disc florets and no ray florets.[ The fruit is a fuzzy ]achene
An achene (; ), also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate (formed from one carpel) and indehiscent (they do not ope ...
about 3 millimeters long.[
;Conservation
It is a California Native Plant Society listed ]Endangered species
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inv ...
, and is threatened by proposed mining.[
]
References
External links
Calflora Database: ''Perityle inyoensis'' (Inyo rock daisy)Jepson eFlora (TJM2) treatment of ''Laphamia inyoensis''USDA Plants Profile for ''Perityle inyoensis'' (Inyo rock daisy) UC CalPhotos gallery of ''Perityle inyoensis''
Perityleae
Endemic flora of California
Flora of the California desert regions
Inyo Mountains
Natural history of Inyo County, California
Plants described in 1958
{{Asteroideae-stub