Allium sanbornii
| Allium sanbornii | |
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| Allium sanbornii var. congdonii[1] | |
Scientific classification  |
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| Kingdom: | Plantae |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Amaryllidaceae |
| Subfamily: | Allioideae |
| Genus: | Allium |
| Species: |
A. sanbornii
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| Binomial name | |
| Allium sanbornii |
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| Synonyms[2] | |
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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 produces a reddish brown bulb up to about 2.5 centimeters long. Scape up to 60 centimeters 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
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- ↑ photo of herbarium specimen at Jepson Herbarium, University of California @ Berkeley, collected in 2005 in Nevada County, California
- ↑ 2.0 2.1 2.2 2.3 Kew World Checklist of Selected Plant Families
- ↑ Biota of North America Program 2014 county distribution map
- ↑ USDA Plants Profile
- ↑ 5.0 5.1 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
