''Perideridia bacigalupii'' is an uncommon species of flowering plant in the family

Apiaceae Apiaceae () or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus ''Apium,'' and commonly known as the celery, carrot, or parsley family, or simply as umbellifers. It is the 16th-largest family of flowering p ...

known by the common names Mother Lode yampah and Bacigalupi's perideridia. It is

endemic Endemism is the state of a species being found only 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 foun ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

, where it is known only from the northern and central

Sierra Nevada foothills :''See Sierra Nevada for general information about the mountain range in the United States.'' The ecology of the Sierra Nevada, located in the U.S. states of California and Nevada, is diverse and complex. The combination of climate, topography, ...

. It is a member of the flora in

chaparral Chaparral ( ) is a shrubland plant plant community, community found primarily in California, southern Oregon, and northern Baja California. It is shaped by a Mediterranean climate (mild wet winters and hot dry summers) and infrequent, high-intens ...

and

pine A pine is any conifer tree or shrub in the genus ''Pinus'' () of the family Pinaceae. ''Pinus'' is the sole genus in the subfamily Pinoideae. ''World Flora Online'' accepts 134 species-rank taxa (119 species and 15 nothospecies) of pines as cu ...

woodlands. It is a perennial herb which may exceed 1.5 meters in maximum height, its slender, erect stem growing from

tuber Tubers are a type of enlarged structure that plants use as storage organs for nutrients, derived from stems or roots. Tubers help plants perennate (survive winter or dry months), provide energy and nutrients, and are a means of asexual reproduc ...

s. Leaves near the base of the plant have blades up to 40 centimeters long which are divided into many narrow subdivided lobes. Leaves higher on the plant are smaller and less divided. The

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

is a compound

umbel UMBEL (Upper Mapping and Binding Exchange Layer) is a logically organized knowledge graph of 34,000 concepts and entity types that can be used in information science for relating information from disparate sources to one another. It was retired ...

of many spherical clusters of small white flowers. These yield ribbed, oblong-shaped fruits about half a centimeter long. The plant was first described in 1969. The plant's Latin and common names are for the American botanist

Rimo Bacigalupi Rimo Bacigalupi (1901–1996), known as "Bach",The nickname "Bach" was pronounced as English "Batch", the first syllable of "Bacigalupi". was an American botanist and taxonomist, an expert in the flora of California. He was the first curator of ...

(1901–1996).

References

External links

Jepson Manual TreatmentUSDA Plants ProfilePhoto gallery
bacigalupii Endemic flora of California Flora of the Sierra Nevada (United States) Natural history of the California chaparral and woodlands Flora without expected TNC conservation status {{Apiaceae-stub