View source for Dicranum groenlandicum

{{Treatment/ID
|accepted_name=Dicranum groenlandicum
|accepted_authority=Bridel
|publications={{Treatment/Publication
|title=Muscol. Recent., suppl.
|place=4: 68. 1818,
}}
|basionyms=
|synonyms=
|hierarchy=Dicranaceae;Dicranum;Dicranum groenlandicum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Dicranaceae]]</div><div class="higher-taxon"><small>genus</small>[[Dicranum]]</div><div class="higher-taxon"><small>species</small>[[Dicranum groenlandicum]]</div></div>
|volume=Volume 27
|mention_page=page 399, 400
|treatment_page=page 416
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism coloration;whole_organism reflectance;whole_organism growth form;tuft density"><b>Plants </b>in dense tufts, light green, glossy.</span> <span class="statement" id="st-d0_s1" data-properties="stem some measurement;stem pubescence;rhizoid coloration;rhizoid coloration"><b>Stems </b>4.5–10 cm, tomentose throughout with brown to red rhizoids.</span> <span class="statement" id="st-d0_s2" data-properties="leaf orientation;leaf fixation or orientation;leaf architecture or pubescence or relief;leaf atypical length;leaf atypical length;leaf length;leaf width;leaf shape;leaf shape;base shape;subulum architecture or shape;leaf position;leaf architecture or shape"><b>Leaves </b>erect-spreading, erect-appressed when dry, smooth, (2.5–) 3–4 (–6.5) × 0.3–0.5 mm, from an ovatelanceolate base to a tubulose subula, narrowly obtuse at apex, rarely acute, sometimes apical leaves of stems julaceous;</span> <span class="statement" id="st-d0_s3" data-properties="margin architecture or shape">margins entire;</span> <span class="statement" id="st-d0_s4" data-properties="lamina architecture;region quantity;region architecture">laminae 1-stratose, occasional 2-stratose regions near costa in proximal part of leaf;</span> <span class="statement" id="st-d0_s5" data-properties="costa position;costa architecture;costa quantity;costa width;abaxial ridge presence;abaxial ridge development;abaxial ridge width;row quantity;adaxial epidermal layer variability;cell quantity;cell size">costa subpercurrent to percurrent, 1/10–1/6 the width of the leaves at base, smooth, abaxial ridges absent, with a row of guide cells, two well developed and thick stereid bands (5–6 cells thick), adaxial epidermal layer of cells not differentiated, the abaxial layer usually with a few cells enlarged;</span> <span class="statement" id="st-d0_s6" data-properties="between cells cell-wall pubescence or shape">cell-walls between lamina cells slightly bulging;</span> <span class="statement" id="st-d0_s7" data-properties="">leaf cells smooth;</span> <span class="statement" id="st-d0_s8" data-properties="leaf cell architecture or pubescence or relief;cell architecture;cell architecture;cell variability">alar cells 1-stratose or 2-stratose, well-differentiated, not extending to costa;</span> <span class="statement" id="st-d0_s9" data-properties="proximal laminal cell architecture;proximal laminal cell relief;proximal laminal cell atypical length;proximal laminal cell atypical length;proximal laminal cell length;proximal laminal cell atypical width;proximal laminal cell atypical width;proximal laminal cell width;distal laminal cell atypical length;distal laminal cell atypical length;distal laminal cell length;distal laminal cell atypical width;distal laminal cell atypical width;distal laminal cell width;distal laminal cell reproduction;distal laminal cell reproduction">proximal laminal cells elongate-sinuose, strongly pitted, (36–) 54–65 (–98) × (2–) 5–6 (–9) µm; distal laminal cells (11–) 17–26 (–42) × (2–) 5–6 (–12) µm. <b>Sexual</b> condition dioicous;</span> <span class="statement" id="st-d0_s10" data-properties="whole_organism reproduction;whole_organism reproduction;whole_organism growth form">male plants as large as females;</span> <span class="statement" id="st-d0_s11" data-properties="interior perichaetial leaf shape;interior perichaetial leaf architecture or shape">interior perichaetial leaves abruptly short-acuminate, convolute-sheathing.</span> <span class="statement" id="st-d0_s12" data-properties="seta some measurement;seta architecture or arrangement or growth form;seta coloration"><b>Seta </b>1.5–2 cm, solitary, yellow to reddish yellow.</span> <span class="statement" id="st-d0_s13" data-properties="capsule some measurement;capsule course;capsule orientation;capsule course or shape;capsule coloration or pubescence or relief;capsule coloration"><b>Capsule </b>1.5–2 mm, nearly straight and erect to slightly arcuate, ± striate when dry, yellowish-brown;</span> <span class="statement" id="st-d0_s14" data-properties="operculum some measurement">operculum 1–1.7 mm.</span> <span class="statement" id="st-d0_s15" data-properties="spore some measurement"><b>Spores </b>14–19 µm.</span><!--

-->{{Treatment/Body
|phenology=Capsules mature in summer.
|habitat=Arctic or alpine tundra, soil, humus or rocks, sometimes in bogs and fens
|elevation=10-3800 m
|distribution=Greenland;Alta.;B.C.;Man.;Nfld. and Labr. (Nfld.);N.W.T.;Nunavut;Ont.;Que.;Yukon;Alaska;Colo.;N.Y.;Europe;Asia
|discussion=<p>Dicranum groenlandicum is sometimes not very distinct, often being difficult to separate from its nearest relative, 19. D. elongatum. For distinctions see the discussion under that species.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Dicranum groenlandicum
|authority=Bridel
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Dicranaceae
|phenology=Capsules mature in summer.
|habitat=Arctic or alpine tundra, soil, humus or rocks, sometimes in bogs and fens
|elevation=10-3800 m
|distribution=Greenland;Alta.;B.C.;Man.;Nfld. and Labr. (Nfld.);N.W.T.;Nunavut;Ont.;Que.;Yukon;Alaska;Colo.;N.Y.;Europe;Asia
|reference=None
|publication title=Muscol. Recent., suppl.
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V27/V27_590.xml
|genus=Dicranum
|species=Dicranum groenlandicum
|abaxial ridge development=developed
|abaxial ridge presence=absent
|abaxial ridge width=thick
|adaxial epidermal layer variability=not differentiated
|base shape=ovatelanceolate
|between cells cell-wall pubescence or shape=bulging
|capsule coloration=yellowish-brown
|capsule coloration or pubescence or relief=striate
|capsule course=straight
|capsule course or shape=arcuate
|capsule orientation=erect
|capsule some measurement=1.5mm;2mm
|cell architecture=2-stratose;1-stratose
|cell quantity=few
|cell size=enlarged
|cell variability=well-differentiated
|costa architecture=percurrent
|costa position=subpercurrent
|costa quantity=1/10;1/6
|costa width=smooth
|distal laminal cell atypical length=26um;42um
|distal laminal cell atypical width=6um;12um
|distal laminal cell length=17um;26um
|distal laminal cell reproduction=dioicous;sexual
|distal laminal cell width=5um;6um
|interior perichaetial leaf architecture or shape=convolute-sheathing
|interior perichaetial leaf shape=short-acuminate
|lamina architecture=1-stratose
|leaf architecture or pubescence or relief=smooth
|leaf architecture or shape=julaceous
|leaf atypical length=4mm;6.5mm
|leaf cell architecture or pubescence or relief=smooth
|leaf fixation or orientation=erect-appressed
|leaf length=3mm;4mm
|leaf orientation=erect-spreading
|leaf position=apical
|leaf shape=acute;obtuse
|leaf width=0.3mm;0.5mm
|margin architecture or shape=entire
|operculum some measurement=1mm;1.7mm
|proximal laminal cell architecture=elongate-sinuose
|proximal laminal cell atypical length=65um;98um
|proximal laminal cell atypical width=6um;9um
|proximal laminal cell length=54um;65um
|proximal laminal cell relief=pitted
|proximal laminal cell width=5um;6um
|region architecture=2-stratose
|region quantity=occasional
|rhizoid coloration=red;brown
|row quantity=2
|seta architecture or arrangement or growth form=solitary
|seta coloration=yellow;reddish yellow
|seta some measurement=1.5cm;2cm
|spore some measurement=14um;19um
|stem pubescence=tomentose
|stem some measurement=4.5cm;10cm
|subulum architecture or shape=tubulose
|tuft density=dense
|whole_organism coloration=light green
|whole_organism growth form=plant;plant
|whole_organism reflectance=glossy
|whole_organism reproduction=female;male
}}<!--

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