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{{Taxobox |
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{{Short description|Species of flowering plant}} |
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{{Speciesbox |
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| regnum = [[Plantae]] |
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| image = Allium tribracteatum - Flickr - pellaea.jpg |
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| unranked_divisio = [[Angiosperms]] |
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| unranked_classis = [[Monocots]] |
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|name=Threebract onion |
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| ordo = [[Asparagales]] |
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| familia = [[Alliaceae]] |
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|synonyms_ref=<ref>[http://apps.kew.org/wcsp/namedetail.do?name_id=296820 Kew World Checklist of Selected Plant Families]</ref> |
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| genus = ''[[Allium]]'' |
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|synonyms= |
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| species = '''''A. tribracteatum''''' |
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* ''Allium tolmiei'' <small>Baker ex J.M.Coult. 1885, illegitimate homonym not Baker 1876</small> |
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| binomial = ''Allium tribracteatum'' |
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| status = G2 |
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| binomial_authority = [[John Torrey|Torr.]] |
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| status_system = TNC |
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| status_ref = <ref name="TNC status 15 may 2022">{{cite web | url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.134215 | title=NatureServe Explorer 2.0 }}</ref> |
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}} |
}} |
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'''''Allium tribracteatum''''' is a species of [[allium|wild onion]] known by the common name '''threebract onion'''. It is [[Endemism|endemic]] to [[California]], where it is known only from the slopes of the [[Sierra Nevada (U.S.)|Sierra Nevada]] in [[Tuolumne County, California|Tuolumne]] and [[Calaveras County, California|Calaveras Counties]]. This is a small onion plant producing a stem only a few centimeters long from an oval-shaped [[bulb]]. There are two leaves which are usually much longer than the stem. The [[inflorescence]] contains up to 30 petite white to purple flowers, each less than a centimeter long. |
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'''''Allium tribracteatum''''', known by the common name '''Threebract onion''',<ref>[http://www.calflora.org/cgi-bin/species_query.cgi?where-taxon=Allium+tribracteatum CalFlora taxon report 237, ''Allium tribracteatum'' Torrey (three bracted onion, threebract onion)]</ref> is a species of [[Allium|wild onion]]<ref name="jepson">[http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?8349,8354,8419 Jepson Treament, University of California, Berkeley] . accessed 3.20.2013</ref> found in [[California]]. |
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==Distribution and habitat== |
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The plant is [[Endemism|endemic]] to [[California]], where it is known only from the slopes of the [[Sierra Nevada (U.S.)|Sierra Nevada]] in [[Tuolumne County, California|Tuolumne]] and [[Calaveras County, California|Calaveras Counties]].<ref name="jepson"/><ref name=emily>[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242101409 Flora of North America v 26 p 269, ''Allium tribracteatum'']</ref><ref>[http://plants.usda.gov/java/profile?symbol=ALTR2 United States department of Agriculture Plants Profile, ''Allium tribracteatum'']</ref> |
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==Description== |
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''Allium tribracteatum'' is a small onion plant producing a stem only a few centimeters long from an oval-shaped [[bulb]]. There are two leaves which are usually much longer than the stem. The [[inflorescence]] contains up to 30 petite white to purple flowers, each less than a centimeter long. [[Tepals]] are white to pink with red or purple midveins; [[anthers]] purple; [[pollen]] gray.<ref name="jepson"/><ref>[https://www.biodiversitylibrary.org/item/100867#page/3/mode/1up Torrey, John. 1857. Reports of explorations and surveys : to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean, made under the direction of the Secretary of War 4(5): 148.]</ref><ref name=emily/> Flowers bloom March to May.<ref name="emily" /> |
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==References== |
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{{Reflist}} |
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==External links== |
==External links== |
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| ⚫ | *[http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?8349,8354,8419 Jepson Manual Treatment] |
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*{{CalPhotos|Allium|tribracteatum}} |
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*[http://plants.usda.gov/java/profile?symbol=ALTR2 USDA Plants Profile] |
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*[ |
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*[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242101409 Flora of North America] |
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*[http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Allium+tribracteatum Photo gallery] |
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{{Allium}} |
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{{Taxonbar|from=Q4732940}} |
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{{-}} |
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{{DEFAULTSORT:Allium Tribracteatum}} |
{{DEFAULTSORT:Allium Tribracteatum}} |
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[[Category:Allium|tribracteatum]] |
[[Category:Allium|tribracteatum]] |
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[[Category: |
[[Category:Flora of California]] |
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[[Category:Flora of the Sierra Nevada (United States)]] |
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[[Category:Natural history of the California chaparral and woodlands]] |
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[[Category:Natural history of Calaveras County, California]] |
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[[Category:Natural history of Tuolumne County, California]] |
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[[Category:Onions]] |
[[Category:Onions]] |
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[[Category:Taxa named by John Torrey]] |
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[[Category:Threatened flora of California]]<!---CNPS---> |
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{{ |
{{Asparagales-stub}} |
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Greek: Ά ά Έ έ Ή ή Ί ί Ό ό Ύ ύ Ώ ώ Α α Β β Γ γ Δ δ Ε ε Ζ ζ Η η Θ θ Ι ι Κ κ Λ λ Μ μ Ν ν Ξ ξ Ο ο Π π Ρ ρ Σ σ ς Τ τ Υ υ Φ φ Χ χ Ψ ψ Ω ω {{Polytonic|}}
Cyrillic: А а Б б В в Г г Ґ ґ Ѓ ѓ Д д Ђ ђ Е е Ё ё Є є Ж ж З з Ѕ ѕ И и І і Ї ї Й й Ј ј К к Ќ ќ Л л Љ љ М м Н н Њ њ О о П п Р р С с Т т Ћ ћ У у Ў ў Ф ф Х х Ц ц Ч ч Џ џ Ш ш Щ щ Ъ ъ Ы ы Ь ь Э э Ю ю Я я ́
IPA: t̪ d̪ ʈ ɖ ɟ ɡ ɢ ʡ ʔ ɸ β θ ð ʃ ʒ ɕ ʑ ʂ ʐ ç ʝ ɣ χ ʁ ħ ʕ ʜ ʢ ɦ ɱ ɳ ɲ ŋ ɴ ʋ ɹ ɻ ɰ ʙ ⱱ ʀ ɾ ɽ ɫ ɬ ɮ ɺ ɭ ʎ ʟ ɥ ʍ ɧ ʼ ɓ ɗ ʄ ɠ ʛ ʘ ǀ ǃ ǂ ǁ ɨ ʉ ɯ ɪ ʏ ʊ ø ɘ ɵ ɤ ə ɚ ɛ œ ɜ ɝ ɞ ʌ ɔ æ ɐ ɶ ɑ ɒ ʰ ʱ ʷ ʲ ˠ ˤ ⁿ ˡ ˈ ˌ ː ˑ ̪ {{IPA|}}
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