''Allium bolanderi'' 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 Bolander's onion. It is native to northern

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 ...

and southwestern

Oregon Oregon () is a state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho. T ...

, where it grows in the rocky soils of the

Klamath Mountains The Klamath Mountains are a rugged and lightly populated mountain range in northwestern California and southwestern Oregon in the western United States. As a mountain system within both the greater Pacific Coast Ranges and the California Coast ...

and surrounding regions. ''Allium bolanderi'' grows from an oval-shaped bulb up to long with associated rhizomes. The stem reaches about in maximum height and there are two or three long, cylindrical leaves about the same length as the stem. 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 10 to 20 reddish-purple, or occasionally white, flowers, each with very finely toothed

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.Flora of North America v 26 p 259 ''Allium bolanderi''
/ref> Two

varieties Variety may refer to: Arts and entertainment Entertainment formats * Variety (radio) * Variety show, in theater and television Films * ''Variety'' (1925 film), a German silent film directed by Ewald Andre Dupont * ''Variety'' (1935 film), ...

are recognized: *''Allium bolanderi'' var. ''bolanderi'' *''Allium bolanderi'' var. ''mirabile'' (L.F.Hend.) McNealMcNeal, Dale W. 1992. Phytologia 73(4): 307.
/ref>

References

bolanderi Flora of California Flora of Oregon Flora of the Klamath Mountains Onions Plants described in 1879 Taxa named by Sereno Watson Flora without expected TNC conservation status {{Allium-stub