View source for Carex merritt-fernaldii

{{Treatment/ID
|accepted_name=Carex merritt-fernaldii
|accepted_authority=Mackenzie
|publications={{Treatment/Publication
|title=Bull. Torrey Bot. Club
|place=49: 370. 1923
|year=1923
}}
|common_names=Carex de Fernald
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Carex brevior var. pseudofestucacea
|authority=Farwell
|rank=variety
}}
|hierarchy=Cyperaceae;Carex;Carex sect. Ovales;Carex merritt-fernaldii
|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. Ovales]]</div><div class="higher-taxon"><small>species</small>[[Carex merritt-fernaldii]]</div></div>
|volume=Volume 23
|mention_page=page 339
|treatment_page=page 374
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism growth form;whole_organism growth form"><b>Plants </b>densely cespitose;</span> <span class="statement" id="st-d0_s1" data-properties="rhizome shape;clump life cycle">rhizomes appearing elongate only in old clumps.</span> <span class="statement" id="st-d0_s2" data-properties="culm some measurement"><b>Culms </b>30–100 cm;</span> <span class="statement" id="st-d0_s3" data-properties="culm reproduction;culm quantity;culm prominence;culm arrangement;leaf atypical quantity;leaf quantity">vegetative culms few, inconspicuous, with fewer than 15 (–17) leaves, not strikingly 3-ranked.</span> <span class="statement" id="st-d0_s4" data-properties="sheath coloration;summit shape;summit length;summit some measurement;summit relief;summit relief"><b>Leaves:</b> sheaths adaxially white-hyaline, summits U-shaped to truncate, sometimes prolonged 1–2 mm beyond collar, not puckered, finely papillose;</span> <span class="statement" id="st-d0_s5" data-properties="distal ligule some measurement">distal ligules 2.5–4.8 mm;</span> <span class="statement" id="st-d0_s6" data-properties="blade quantity;blade length;blade width;culm reproduction">blades 3–6 per fertile culm, 14–32 cm × 1.5–3 mm.</span> <span class="statement" id="st-d0_s7" data-properties="inflorescence architecture;inflorescence shape;inflorescence orientation;inflorescence orientation;inflorescence coloration;inflorescence coloration;inflorescence length;inflorescence width"><b>Inflorescences </b>compact to open, occasionally elongate and arching or nodding, reddish-brown or straw colored, 1.5–5 cm × 7–15 mm;</span> <span class="statement" id="st-d0_s8" data-properties="proximal internode some measurement">proximal internode 5–15 mm;</span> <span class="statement" id="st-d0_s9" data-properties="internode some measurement">2d internode 3–7 mm;</span> <span class="statement" id="st-d0_s10" data-properties="proximal bract shape;proximal bract height or length or size;bristle tip height or length or size">proximal bracts scalelike with bristle tips shorter than inflorescences.</span> <span class="statement" id="st-d0_s11" data-properties="spike atypical quantity;spike atypical quantity;spike quantity;spike fusion;spike shape;spike length;spike width;base shape;apex shape;apex shape"><b>Spikes </b>(4–) 6–8 (–10), distinct, ovoid, 7–15 × 5–9 mm, base rounded, apex rounded or nearly acute.</span> <span class="statement" id="st-d0_s12" data-properties="scale architecture;scale coloration;scale shape;scale shape;scale shape;scale atypical some measurement;scale atypical some measurement;scale some measurement;scale some measurement;scale height or length or size;scale width;midvein coloration;margin coloration;margin width;apex shape"><b>Pistillate </b>scales light yellowbrown with paler midvein, lance-subulate or lanceolate, occasionally broadly lanceolate, (3.2–) 3.4–3.8 (–4.2) mm, 0.2–1.3 mm shorter than perignyium beaks, narrower than perigynia, margins white-hyaline, 0.1–0.3 mm wide, apex acute.</span> <span class="statement" id="st-d0_s13" data-properties="anther some measurement"><b>Anthers </b>1.3–2.6 mm.</span> <span class="statement" id="st-d0_s14" data-properties="perigynium quantity;perigynium orientation;perigynium coloration;perigynium architecture;perigynium architecture;perigynium architecture;perigynium shape;perigynium shape;perigynium thickness;perigynium thickness;perigynium architecture or course;margin prominence or shape;margin width;margin architecture or pubescence or relief;vein quantity;wing coloration"><b>Perigynia </b>15–80 in larger spikes, ascending, light green to straw colored, conspicuously 5–9-veined abaxially, veinless or faintly 1–5-veined adaxially, broadly ovate to ovate-orbiculate, planoconvex, 3.3–5 × 2.3–3.5 mm, 0.5–0.8 mm thick, irregular, margin flat, including wing 0.4–0.8 mm wide, with 1–2 veins in yellowish wing, smooth;</span> <span class="statement" id="st-d0_s15" data-properties="beak coloration;beak prominence or shape;beak atypical some measurement;beak some measurement;beak architecture or shape;abaxial suture prominence;achene some measurement">beak redbrown at tip, flat, 0.7–1.6 (–1.8) mm, ciliate-serrulate, abaxial suture ± conspicuous, distance from beak tip to achene 1.8–3.1 mm.</span> <span class="statement" id="st-d0_s16" data-properties=""><b>Achenes </b>ovate or orbiculate, 1.4–1.8 × 1.1–1.5 mm, 0.5–0.7 mm thick.</span> <span class="statement" id="st-d0_s17" data-properties="achene shape;achene shape;achene thickness;achene thickness;2n chromosome quantity;2n chromosome quantity">2n = 70, 74.</span><!--

-->{{Treatment/Body
|phenology=Fruiting early–mid summer.
|habitat=Dry sands, gravels, rocky places, meadows, roadsides, on acidic substrates
|elevation=50–600 m
|distribution=Man.;N.B.;Ont.;Que.;Conn.;Maine;Mass.;Mich.;Minn.;N.H.;N.Y.;Ohio;Vt.;Wis.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Carex merritt-fernaldii
|authority=Mackenzie
|rank=species
|parent rank=section
|synonyms=Carex brevior var. pseudofestucacea
|basionyms=
|family=Cyperaceae
|phenology=Fruiting early–mid summer.
|habitat=Dry sands, gravels, rocky places, meadows, roadsides, on acidic substrates
|elevation=50–600 m
|distribution=Man.;N.B.;Ont.;Que.;Conn.;Maine;Mass.;Mich.;Minn.;N.H.;N.Y.;Ohio;Vt.;Wis.
|reference=None
|publication title=Bull. Torrey Bot. Club
|publication year=1923
|special status=Illustrated;Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V23/V23_663.xml
|genus=Carex
|section=Carex sect. Ovales
|species=Carex merritt-fernaldii
|2n chromosome quantity=74;70
|abaxial suture prominence=conspicuous
|achene shape=orbiculate;ovate
|achene some measurement=1.8mm;3.1mm
|achene thickness=0.5mm;0.7mm
|anther some measurement=1.3mm;2.6mm
|apex shape=acute;acute;rounded
|base shape=rounded
|beak architecture or shape=ciliate-serrulate
|beak atypical some measurement=1.6mm;1.8mm
|beak coloration=redbrown
|beak prominence or shape=flat
|beak some measurement=0.7mm;1.6mm
|blade length=14cm;32cm
|blade quantity=3;6
|blade width=1.5mm;3mm
|bristle tip height or length or size=shorter
|clump life cycle=old
|culm arrangement=3-ranked
|culm prominence=inconspicuous
|culm quantity=few
|culm reproduction=fertile;vegetative
|culm some measurement=30cm;100cm
|distal ligule some measurement=2.5mm;4.8mm
|inflorescence architecture=compact;open
|inflorescence coloration=straw colored;reddish-brown
|inflorescence length=1.5cm;5cm
|inflorescence orientation=nodding;arching
|inflorescence shape=elongate
|inflorescence width=7mm;15mm
|internode some measurement=3mm;7mm
|leaf atypical quantity=15;17
|leaf quantity=0;15
|margin architecture or pubescence or relief=smooth
|margin coloration=white-hyaline
|margin prominence or shape=flat
|margin width=0.4mm;0.8mm
|midvein coloration=paler
|perigynium architecture=1-5-veined;veinless;5-9-veined
|perigynium architecture or course=irregular
|perigynium coloration=light green;straw colored
|perigynium orientation=ascending
|perigynium quantity=15;80
|perigynium shape=planoconvex;broadly ovate;ovate-orbiculate
|perigynium thickness=0.5mm;0.8mm
|proximal bract height or length or size=shorter
|proximal bract shape=scale-like
|proximal internode some measurement=5mm;15mm
|rhizome shape=elongate
|scale architecture=pistillate
|scale atypical some measurement=3.8mm;4.2mm
|scale coloration=light yellowbrown
|scale height or length or size=shorter
|scale shape=lanceolate;lanceolate;lance-subulate
|scale some measurement=0.2mm;1.3mm
|scale width=narrower
|sheath coloration=white-hyaline
|spike atypical quantity=8;10
|spike fusion=distinct
|spike length=7mm;15mm
|spike quantity=6;8
|spike shape=ovoid
|spike width=5mm;9mm
|summit length=prolonged
|summit relief=papillose;not puckered
|summit shape=u-shaped;truncate
|summit some measurement=1mm;2mm
|vein quantity=1;2
|whole_organism growth form=plant;cespitose
|wing coloration=yellowish
}}<!--

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