Allium sanbornii
Allium sanbornii is a North American species of wild onion known by the common name Sanborn's onion.[2] It is native to northern California and southwestern Oregon.[3] It grows in the serpentine soils of the southern Cascade Range and northern Sierra Nevada foothills.[4][5]
Allium sanbornii | |
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Allium sanbornii var. congdonii[1] | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Monocots |
Order: | Asparagales |
Family: | Amaryllidaceae |
Subfamily: | Allioideae |
Genus: | Allium |
Species: | A. sanbornii |
Binomial name | |
Allium sanbornii | |
Synonyms[2] | |
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Allium sanbornii produces a reddish-brown bulb up to about 2.5 cm (1 in) long. Scape up to 60 cm (24 in) long, bearing a single cylindrical leaf which is about the same length. The umbel contains as many as 150 small flowers, each with tepals less than a centimeter long, pink to white with darker red midveins. Anthers are yellow or purple; pollen yellow or white.[5][6][7]
- Allium sanbornii var. congdonii Jeps. - from Nevada County to Mariposa County
- Allium sanbornii var. sanbornii - from Shasta County to Mariposa County in California; Jackson + Josephine Counties in Oregon
- Allium sanbornii var. jepsonii Ownbey & Aase ex Traub, now called Allium jepsonii (Ownbey & Aase ex Traub) S.S.Denison & McNeal
- Allium sanbornii var. tuolumnense Ownbey & Aase ex Traub, now called Allium tuolumnense (Ownbey & Aase ex Traub) S.S.Denison & McNeal
References
- photo of herbarium specimen at Jepson Herbarium, University of California @ Berkeley, collected in 2005 in Nevada County, California
- Kew World Checklist of Selected Plant Families
- Biota of North America Program 2014 county distribution map
- USDA Plants Profile
- Flora of North America, Allium sanbornii
- Jepson Manual Treatment
- Wood, Alphonso. 1868. Proceedings of the Academy of Natural Sciences of Philadelphia 20(6): 171.
- Calflora Taxon Report 229, Allium sanbornii Alph. Wood, Sanborn's onion
- Denison, S.S. & McNeal, Dale W. 1989. Madroño 36(2): 127-128
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