''Allium abramsii'' is a species of

wild onion Wild onion can refer to * any uncultivated species in the genus '' Allium'', especially: **'' Allium bisceptrum'' ** '' Allium canadense'' ** ''Allium tricoccum ''Allium tricoccum'' (commonly known as ramp, ramps, ramson, wild leek, wood leek, o ...

known by the common name Abrams' onion.

Description

''Allium abramsii'' grows from one or more bulbs each just over a centimeter wide attached to a thick rhizome. It reaches a maximum height of about 15 centimeters with usually one curving cylindrical leaf that may be up to a foot long. The

inflorescence An inflorescence is a group or cluster of flowers arranged on a Plant stem, stem that is composed of a main branch or a complicated arrangement of branches. Morphology (biology), Morphologically, it is the modified part of the shoot of sperma ...

contains up to 40 pink or purplish flowers with lance-shaped

tepal A tepal is one of the outer parts of a flower (collectively the perianth). The term is used when these parts cannot easily be classified as either sepals or petals. This may be because the parts of the perianth are undifferentiated (i.e. of very ...

s and yellow anthers. McNeal, D. W. 1992. A revision of the ''Allium fimbriatum'' (Alliaceae) complex. Aliso 13(3):411–426.

Taxonomy

The epithet ''abramsii'' commemorates

LeRoy Abrams LeRoy Abrams (1874–1956) was an American botanist and author. He was a Professor of Botany at Stanford University Stanford University, officially Leland Stanford Junior University, is a private research university in Stanford, Californ ...

Distribution and habitat

''Allium abramsii'' is

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 else ...

to the central Sierra Nevada 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 m ...

, where it grows in the

coniferous forest Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single extant class, Pinopsida. All exta ...

understory in

granite Granite () is a coarse-grained ( phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies under ...

sand soils. It is found in

Fresno Fresno () is a major city in the San Joaquin Valley of California, United States. It is the county seat of Fresno County and the largest city in the greater Central Valley region. It covers about and had a population of 542,107 in 2020, maki ...

, Madera and Tulare Counties at elevations of 1400–2000 m.Flora of North America-''Allium abramsii''
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References

External links

Jepson Manual Treatment – ''Allium abramsii''

USDA Plants Profile-''Allium abramsii''

''Allium abramsii'' Photo gallery
{{Taxonbar, from=Q4732881 abramsii Endemic flora of California Flora of the Sierra Nevada (United States) Onions Plants described in 1972