View source for Allium bisceptrum

{{Treatment/ID
|accepted_name=Allium bisceptrum
|accepted_authority=S. Watson
|publications={{Treatment/Publication
|title=Botany (Fortieth Parallel),
|place=351, plate 37, figs. 1–3. 1871
|year=1871
}}
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Allium bisceptrum var. palmeri
|authority=(S. Watson) A. Cronquist
|rank=variety
}} {{Treatment/ID/Synonym
|name=Allium bisceptrum var. utahense
|authority=M. E. Jones
|rank=variety
}} {{Treatment/ID/Synonym
|name=Allium palmeri
|authority=
|rank=species
}}
|hierarchy=Liliaceae;Allium;Allium bisceptrum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Liliaceae]]</div><div class="higher-taxon"><small>genus</small>[[Allium]]</div><div class="higher-taxon"><small>species</small>[[Allium bisceptrum]]</div></div>
|volume=Volume 26
|mention_page=page 230, 257
|treatment_page=page 256
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="bulb quantity;bulb arrangement;basal bulbel architecture;rhizome shape;rhizome some measurement;rhizome life cycle;rhizome shape;rhizome length;rhizome width"><b>Bulbs </b>1–7+, commonly producing either cluster of stalked, basal bulbels or filiform rhizomes to 1 dm, terminated by bulbels, rhizomes generally lost when specimens collected, ovoid, 1–2 × 0.6–1.8 cm;</span> <span class="statement" id="st-d0_s1" data-properties="outer coat position relational;outer coat quantity;outer coat coloration;outer coat texture;outer coat architecture or coloration or relief;cell shape;wall course;wall orientation;wall variability;wall architecture or course;wall course">outer coats enclosing 1 or more bulbs, light-brown to gray, membranous, obscurely cellular-reticulate, cells rectangular, walls minutely sinuous, vertical, varying to irregular, all sinuous, without fibers;</span> <span class="statement" id="st-d0_s2" data-properties="inner coat coloration;cell prominence;cell shape">inner coats white to pink, cells obscure, quadrate.</span> <span class="statement" id="st-d0_s3" data-properties="leaf duration;leaf coloration;leaf quantity;leaf architecture or shape"><b>Leaves </b>persistent, green at anthesis, 2–5, basally sheathing, sheaths not extending much above soil surface;</span> <span class="statement" id="st-d0_s4" data-properties="blade architecture;blade prominence or shape;blade shape;blade length;blade width;margin architecture or shape">blade solid, flat, broadly channeled, 8–30 cm × 1–13 mm, margins entire.</span> <span class="statement" id="st-d0_s5" data-properties="scape duration;whole-organism quantity;whole-organism orientation;whole-organism architecture;whole-organism shape"><b>Scape </b>persistent, solitary or clustered 1–3, erect, solid, terete, 10–30 (–40) cm × 1–5 mm.</span> <span class="statement" id="st-d0_s6" data-properties="umbel duration;umbel orientation;umbel architecture or fragility;umbel architecture;umbel shape"><b>Umbel </b>persistent, erect, loose, 15–40-flowered, globose, bulbils unknown;</span> <span class="statement" id="st-d0_s7" data-properties="spathe bract duration;spathe bract quantity;spathe bract architecture;spathe bract shape;spathe bract variability;apex shape">spathe bracts persistent, 2, 3–4-veined, ovate to lanceolate, ± equal, apex acuminate.</span> <span class="statement" id="st-d0_s8" data-properties="flower arrangement or shape;flower some measurement"><b>Flowers </b>stellate, 7–10 mm;</span> <span class="statement" id="st-d0_s9" data-properties="tepal orientation;tepal coloration;tepal shape;tepal variability;tepal texture;tepal shape;margin architecture or shape;apex shape;apex shape or vernation">tepals spreading, lilac to white, lanceolate, ± equal, becoming papery in fruit, not carinate, margins entire, apex acuminate, not involute;</span> <span class="statement" id="st-d0_s10" data-properties="stamen position">stamens included;</span> <span class="statement" id="st-d0_s11" data-properties="anther coloration or density">anthers purple;</span> <span class="statement" id="st-d0_s12" data-properties="pollen coloration">pollen yellow;</span> <span class="statement" id="st-d0_s13" data-properties="ovary shape">ovary conspicuously crested;</span> <span class="statement" id="st-d0_s14" data-properties="process quantity;process position;process fusion;process shape;process shape;margin shape">processes 6, central, distinct, flattened, triangular, margins papillose-denticulate;</span> <span class="statement" id="st-d0_s15" data-properties="style position;style arrangement or course or shape;stamen variability">style included, linear, ± equaling stamens;</span> <span class="statement" id="st-d0_s16" data-properties="stigma architecture or shape;stigma shape">stigma capitate, unlobed;</span> <span class="statement" id="st-d0_s17" data-properties="pedicel some measurement;pedicel course;pedicel orientation">pedicel 10–20 mm, often becoming flexuous and deflexed in fruit.</span> <span class="statement" id="st-d0_s18" data-properties="seed-coat reflectance"><b>Seed-</b>coat shining;</span> <span class="statement" id="st-d0_s19" data-properties="central papilla size">cells each with minute, central papilla.</span> <span class="statement" id="st-d0_s20" data-properties="2n chromosome quantity;2n chromosome quantity">2n = 14, 28.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jul.
|habitat=Meadows and aspen groves, less commonly on open slopes in mountains
|elevation=1100–3000 m
|distribution=Ariz.;Calif.;Idaho;Nev.;N.Mex.;Oreg.;Utah.
|discussion=<p>Two varieties of Allium bisceptrum have been recognized. Where their ranges overlap (central Utah and central Nevada), the putative varieties cannot be distinguished confidently except by chromosome number.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Allium bisceptrum
|authority=S. Watson
|rank=species
|parent rank=genus
|synonyms=Allium bisceptrum var. palmeri;Allium bisceptrum var. utahense;Allium palmeri
|basionyms=
|family=Liliaceae
|phenology=Flowering May–Jul.
|habitat=Meadows and aspen groves, less commonly on open slopes in mountains
|elevation=1100–3000 m
|distribution=Ariz.;Calif.;Idaho;Nev.;N.Mex.;Oreg.;Utah.
|reference=None
|publication title=Botany (Fortieth Parallel),
|publication year=1871
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V26/V26_469.xml
|genus=Allium
|species=Allium bisceptrum
|2n chromosome quantity=28;14
|anther coloration or density=purple
|apex shape=acuminate;acuminate
|apex shape or vernation=not involute
|basal bulbel architecture=stalked
|blade architecture=solid
|blade length=8cm;30cm
|blade prominence or shape=flat
|blade shape=channeled
|blade width=1mm;13mm
|bulb arrangement=cluster
|bulb quantity=1;7
|cell prominence=obscure
|cell shape=quadrate;rectangular
|central papilla size=minute
|flower arrangement or shape=stellate
|flower some measurement=7mm;10mm
|inner coat coloration=white;pink
|leaf architecture or shape=sheathing
|leaf coloration=green
|leaf duration=persistent
|leaf quantity=2;5
|margin architecture or shape=entire;entire
|margin shape=papillose-denticulate
|outer coat architecture or coloration or relief=cellular-reticulate
|outer coat coloration=light-brown;gray
|outer coat position relational=enclosing
|outer coat quantity=1
|outer coat texture=membranous
|ovary shape=crested
|pedicel course=flexuous
|pedicel orientation=deflexed
|pedicel some measurement=10mm;20mm
|pollen coloration=yellow
|process fusion=distinct
|process position=central
|process quantity=6
|process shape=triangular;flattened
|rhizome length=1cm;2cm
|rhizome life cycle=lost
|rhizome shape=ovoid;filiform
|rhizome some measurement=0dm;1dm
|rhizome width=0.6cm;1.8cm
|scape duration=persistent
|seed-coat reflectance=shining
|spathe bract architecture=3-4-veined
|spathe bract duration=persistent
|spathe bract quantity=2
|spathe bract shape=ovate;lanceolate
|spathe bract variability=equal
|stamen position=included
|stamen variability=equaling
|stigma architecture or shape=capitate
|stigma shape=unlobed
|style arrangement or course or shape=linear
|style position=included
|tepal coloration=lilac;white
|tepal orientation=spreading
|tepal shape=not carinate;lanceolate
|tepal texture=papery
|tepal variability=equal
|umbel architecture=15-40-flowered
|umbel architecture or fragility=loose
|umbel duration=persistent
|umbel orientation=erect
|umbel shape=globose
|wall architecture or course=irregular
|wall course=sinuous;sinuous
|wall orientation=vertical
|wall variability=varying
|whole-organism architecture=solid
|whole-organism orientation=erect
|whole-organism quantity=1;3
|whole-organism shape=terete
}}<!--

-->[[Category:Treatment]][[Category:Allium]]