''Pityopus'' is a
monotypic genus
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...
of flowering plants in the family
Ericaceae
The Ericaceae are a family of flowering plants, commonly known as the heath or heather family, found most commonly in acidic and infertile growing conditions. The family is large, with c.4250 known species spread across 124 genera, making it th ...
containing the single species ''Pityopus californicus'', which is known by the common name pinefoot.
[Jepson eFlora (TJM2): ''Pityopus californicus'']
/ref>
Distribution
The plant is native to the mountains of the West Coast of the United States
The West Coast of the United States, also known as the Pacific Coast, Pacific states, and the western seaboard, is the coastline along which the Western United States meets the North Pacific Ocean. The term typically refers to the contiguous ...
below in elevation, 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 the 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 ...
in California
California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...
.[ It is uncommon throughout its range.
It grows in coniferous and mixed forest types. Habitats include mixed evergreen forest, ]yellow pine forest
Ponderosa pine forest is a plant association and plant community dominated by ponderosa pine and found in western North America. It is found from the Rocky Mountains to the Pacific Coast Ranges in the Western United States and Western Canada. In ...
, red fir
''Abies magnifica'', the red fir or silvertip fir, is a western North American fir, native to the mountains of southwest Oregon and California in the United States. It is a high-elevation tree, typically occurring at elevation, though only rare ...
forest, and coastal coniferous forest.
Description
''Pityopus californicus'', a perennial herb
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 ...
, is a mycoheterotroph
Myco-heterotrophy (from Greek μύκης , "fungus", ἕτερος ', "another", "different" and τροφή ', "nutrition") is a symbiotic relationship between certain kinds of plants and fungi, in which the plant gets all or part of its food fr ...
, parasitizing
Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson ha ...
fungi
A fungus (plural, : fungi or funguses) is any member of the group of Eukaryote, eukaryotic organisms that includes microorganisms such as yeasts and Mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified ...
for nutrients. It is cream or white in color, lacking chlorophyll
Chlorophyll (also chlorophyl) is any of several related green pigments found in cyanobacteria and in the chloroplasts of algae and plants. Its name is derived from the Greek words , ("pale green") and , ("leaf"). Chlorophyll allow plants to ...
.[ It is the smallest mycotroph in the heath family.
It produces a fleshy stemless ]peduncle Peduncle may refer to:
*Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed
*Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body
**Peduncle (art ...
above the leaf litter of the forest floor, reaching no more than 10 centimeters tall. It is covered with scale-like leaves, reduced as they do not perform photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities. Some of this chemical energy is stored i ...
.
The above ground portion of the plant is essentially just 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 ...
, with 2 to 11 cylindrical white flowers blooming for a short time. The flower has four or five white petals and a hairy throat. The bloom period is May to July.[
It produces a ]berry
A berry is a small, pulpy, and often edible fruit. Typically, berries are juicy, rounded, brightly colored, sweet, sour or tart, and do not have a stone or pit, although many pips or seeds may be present. Common examples are strawberries, rasp ...
under a centimeter wide containing many seeds. The mature plant has a scent reminiscent of Brie cheese
Brie (; ) is a soft cow's-milk cheese named after Brie, the French region from which it originated (roughly corresponding to the modern ''département'' of Seine-et-Marne). It is pale in color with a slight grayish tinge under a rind of white mo ...
, which may serve to attract pollinators.Mycotrophic wildflowers: ''Pityopus californica''
/ref> After fruiting the plant withers away until the following flowering season.
References
External links
Calflora Database: ''Pityopus californicus'' (pinefoot)
Jepson Manual eFlora (TJM2) treatment of ''Pityopus californicus''
USDA Plants Profile
Botanical Society Parasitic Plant Pages
*
Monotropoideae
Monotypic Ericaceae genera
Parasitic plants
Flora of California
Flora of Oregon
Flora of Washington (state)
Flora of the Klamath Mountains
Flora of the Sierra Nevada (United States)
Natural history of the California Coast Ranges
Flora without expected TNC conservation status
{{Ericaceae-stub