View source for Carex bigelowii

{{Treatment/ID
|accepted_name=Carex bigelowii
|accepted_authority=Torrey ex Schweinitz
|publications={{Treatment/Publication
|title=Ann. Lyceum Nat. Hist. New York
|place=1: 67. 1824
|year=1824
}}
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms=
|synonyms=
|hierarchy=Cyperaceae;Carex;Carex sect. Phacocystis;Carex bigelowii
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cyperaceae]]</div><div class="higher-taxon"><small>genus</small>[[Carex]]</div><div class="higher-taxon"><small>section</small>[[Carex sect. Phacocystis]]</div><div class="higher-taxon"><small>species</small>[[Carex bigelowii]]</div></div>
|volume=Volume 23
|mention_page=page 400
|treatment_page=
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism growth form;whole_organism growth form;whole_organism growth form"><b>Plants </b>cespitose or not.</span> <span class="statement" id="st-d0_s1" data-properties="culm shape;culm some measurement;culm pubescence or relief"><b>Culms </b>acutely angled, 10–50 cm, scabrous.</span> <span class="statement" id="st-d0_s2" data-properties="sheath pubescence;spot quantity;vein quantity;apex shape"><b>Leaves:</b> sheaths of proximal leaves glabrous, fronts lacking spots and veins, apex concave;</span> <span class="statement" id="st-d0_s3" data-properties="blade width">blades 1.5–4 mm wide.</span> <span class="statement" id="st-d0_s4" data-properties="proximal bract shape;proximal bract architecture;proximal bract height or length or size;proximal bract width"><b>Inflorescences:</b> proximal bract setaceous or foliaceous, shorter than inflorescence, 0.5–3 mm wide.</span> <span class="statement" id="st-d0_s5" data-properties="spike orientation"><b>Spikes </b>erect;</span> <span class="statement" id="st-d0_s6" data-properties="proximal spike atypical quantity;proximal spike quantity;spike architecture;spike length;spike width">proximal (1–) 2–3 spikes pistillate, 0.7–3 cm × 3–4 mm, base cuneate or attenuate;</span> <span class="statement" id="st-d0_s7" data-properties="base shape;base shape;base position or structure subtype;spike atypical quantity;spike quantity;spike architecture">terminal 1 (–2) spikes staminate.</span> <span class="statement" id="st-d0_s8" data-properties="scale architecture;scale coloration;scale variability;scale height or length or size;apex shape;apex shape;apex architecture"><b>Pistillate </b>scales black, equaling or shorter than perigynia, apex obtuse or acute, awnless.</span> <span class="statement" id="st-d0_s9" data-properties="perigynium orientation;perigynium coloration;perigynium coloration;perigynium coloration;perigynium architecture;perigynium shape;perigynium shape;perigynium length;perigynium width;perigynium reflectance;apex shape;apex shape;apex relief"><b>Perigynia </b>ascending, green, spotted purple-black or mottled on apical 1/2, veinless, somewhat flattened, tightly enclosing the achenes, ellipsoid, 1.5–3.5 × 0.9–2 mm, dull, apex rounded or acute, papillose;</span> <span class="statement" id="st-d0_s10" data-properties="stipe some measurement">stipe to 0.45 mm;</span> <span class="statement" id="st-d0_s11" data-properties="beak atypical some measurement;beak some measurement">beak 0–0.2 (–1) mm.</span> <span class="statement" id="st-d0_s12" data-properties="achene size;achene reflectance"><b>Achenes </b>not constricted, dull.</span><!--

-->{{Treatment/Body
|distribution=B.C.;Man.;N.B.;N.W.T.;Nunavut;Ont.;Que.;Sask.;Yukon;Alaska;Maine;N.H.;N.Y.;Vt.;Europe;Asia
|discussion=<p>Subspecies 5 (2 in the flora).</p><!--
--><p>Carex bigelowii is a highly variable, circumpolar species complex with four subspecies recognized in Europe (A. O. Chater 1980). The North American populations can be divided into an eastern and a western taxon, which cannot always be distinguished morphologically. They are recognized as two subspecies of a widely ranging complex for this treatment.</p><!--
--><p>Carex bigelowii appears to be closely related to the western montane C. scopulorum; it is distinguished by its narrower leaves and narrower, ellipsoid perigynia. Tall plants of C. bigelowii may be confused with C. aquatilis (especially C. aquatilis var. minor) and can be distinguished by the short bracts, hypostomic leaves, and dull achenes of C. bigelowii. These two taxa have been reported to hybridize (M. G. Duman and S. D. Kryszczuk 1958) and have been artificially hybridized by J. S. Faulkner (1973), who found that these two species were very closely related.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Perigynia green, spotted purple-black on apical 1/2, minutely papillose; stipe 0.15–0.45 mm; proximal pistillate spike loosely flowered, base often attenuate, less often cuneate.
|[[Carex bigelowii subsp. bigelowii|Carex bigelowii subsp. bigelowii]]
|-id=key-0-1
|1
|Perigynia green, often white at maturity, uniformly purple-brown on apical 1/2, strongly or minutely papillose; stipe 0–0.15 mm; proximal pistillate spike densely flowered, base cuneate, less often attenuate.
|[[Carex bigelowii subsp. lugens|Carex bigelowii subsp. lugens]]
|}
</div></div><!--

-->{{#Taxon:
name=Carex bigelowii
|authority=Torrey ex Schweinitz
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Cyperaceae
|distribution=B.C.;Man.;N.B.;N.W.T.;Nunavut;Ont.;Que.;Sask.;Yukon;Alaska;Maine;N.H.;N.Y.;Vt.;Europe;Asia
|reference=None
|publication title=Ann. Lyceum Nat. Hist. New York
|publication year=1824
|special status=Illustrated
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V23/V23_718.xml
|genus=Carex
|section=Carex sect. Phacocystis
|species=Carex bigelowii
|achene reflectance=dull
|achene size=not constricted
|apex architecture=awnless
|apex relief=papillose
|apex shape=acute;rounded;acute;obtuse;concave
|base position or structure subtype=terminal
|base shape=attenuate;cuneate
|beak atypical some measurement=0.2mm;1mm
|beak some measurement=0mm;0.2mm
|blade width=1.5mm;4mm
|culm pubescence or relief=scabrous
|culm shape=angled
|culm some measurement=10cm;50cm
|perigynium architecture=veinless
|perigynium coloration=mottled;spotted purple-black;green
|perigynium length=1.5mm;3.5mm
|perigynium orientation=ascending
|perigynium reflectance=dull
|perigynium shape=ellipsoid;flattened
|perigynium width=0.9mm;2mm
|proximal bract architecture=foliaceous
|proximal bract height or length or size=shorter
|proximal bract shape=setaceous
|proximal bract width=0.5mm;3mm
|proximal spike atypical quantity=1;2
|proximal spike quantity=2;3
|scale architecture=pistillate
|scale coloration=black
|scale height or length or size=shorter
|scale variability=equaling
|sheath pubescence=glabrous
|spike architecture=staminate;pistillate
|spike atypical quantity=1;2
|spike length=0.7cm;3cm
|spike orientation=erect
|spike quantity=1
|spike width=3mm;4mm
|spot quantity=lacking
|stipe some measurement=0mm;0.45mm
|vein quantity=lacking
|whole_organism growth form=plant;not;cespitose
}}<!--

-->[[Category:Treatment]][[Category:Carex sect. Phacocystis]]