| 词条 | Allium sanbornii |
| 释义 |
| taxon = Allium sanbornii | image = Allium sanbornii congdonii.jpg | image_caption = Allium sanbornii var. congdonii[1] | authority = Alph.Wood |name=Allium sanbornii |synonyms_ref=[2] |synonyms=
}}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 {{convert|2.5|cm|in|0|abbr=on}} long. Scape up to {{convert|60|cm|in|abbr=on}} 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]
References1. ^photo of herbarium specimen at Jepson Herbarium, University of California @ Berkeley, collected in 2005 in Nevada County, California {{Allium}}{{Taxonbar|from=Q4732931}}{{DEFAULTSORT:Allium Sanbornii}}{{Asparagales-stub}}2. ^1 2 3 Kew World Checklist of Selected Plant Families 3. ^Biota of North America Program 2014 county distribution map 4. ^USDA Plants Profile 5. ^1 Flora of North America, Allium sanbornii 6. ^Jepson Manual Treatment 7. ^[https://www.biodiversitylibrary.org/page/9768320#page/179/mode/1up Wood, Alphonso. 1868. Proceedings of the Academy of Natural Sciences of Philadelphia 20(6): 171.] 8. ^Calflora Taxon Report 229, Allium sanbornii Alph. Wood, Sanborn's onion 9. ^Denison, S.S. & McNeal, Dale W. 1989. Madroño 36(2): 127-128 5 : Allium|Flora of California|Flora of Oregon|Onions|Plants described in 1868 |
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