View source for Micranthes nelsoniana

{{Treatment/ID
|accepted_name=Micranthes nelsoniana
|accepted_authority=(D. Don) Small in N. L. Britton et al.
|publications={{Treatment/Publication
|title=in N. L. Britton et al., N. Amer. Fl.
|place=22: 147. 1905 ,
}}
|common_names=Dotted or Nelson’s saxifrage
|basionyms={{Treatment/ID/Basionym
|name=Saxifraga nelsoniana
|authority=D. Don
|rank=species
|publication_title=Trans. Linn. Soc. London
|publication_place=13: 355. 1822
}}
|synonyms={{Treatment/ID/Synonym
|name=Saxifraga punctata subsp. nelsoniana
|authority=(D. Don) Hultén
|rank=subspecies
}} {{Treatment/ID/Synonym
|name=Saxifraga punctata var. nelsoniana
|authority=(D. Don) Engler
|rank=variety
}}
|hierarchy=Saxifragaceae;Micranthes;Micranthes nelsoniana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Saxifragaceae]]</div><div class="higher-taxon"><small>genus</small>[[Micranthes]]</div><div class="higher-taxon"><small>species</small>[[Micranthes nelsoniana]]</div></div>
|volume=Volume 8
|mention_page=page 50, 52, 53, 56
|treatment_page=page 54
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism arrangement;whole_organism arrangement;whole_organism architecture;whole_organism growth form;caudex architecture"><b>Plants </b>solitary or tufted, with bulbils on branched caudices, rhizomatous.</span> <span class="statement" id="st-d0_s1" data-properties="leaf position"><b>Leaves </b>basal;</span> <span class="statement" id="st-d0_s2" data-properties="petiole shape;petiole some measurement">petiole rounded, 3–30 cm;</span> <span class="statement" id="st-d0_s3" data-properties="blade shape;blade some measurement;blade width;blade texture;blade width;blade texture;base shape;margin shape;margin pubescence;margin pubescence;margin pubescence;surface pubescence;surface pubescence">blade reniform to round, 2–9 cm, thin or slightly fleshy, sometimes thick and fleshy, base cordate, margins deeply crenate, eciliate or sparsely short glandular-ciliate, surfaces glabrous or ± hairy.</span> <span class="statement" id="st-d0_s4" data-properties="inflorescence architecture;inflorescence architecture;inflorescence architecture or arrangement;inflorescence shape;inflorescence some measurement;inflorescence pubescence;inflorescence coloration or density;inflorescence architecture;inflorescence pubescence;thyrse architecture"><b>Inflorescences </b>10+-flowered, ± open, lax to congested, conic, sometimes also glomerate thyrses, 10–35 cm, tangled-hairy (pilose-arachnoid) at least distally, sometimes also purple or brown-tipped stipitate-glandular.</span> <span class="statement" id="st-d0_s5" data-properties="sepal orientation;sepal shape"><b>Flowers:</b> sepals reflexed, ± ovate;</span> <span class="statement" id="st-d0_s6" data-properties="petal coloration;petal coloration;petal shape;petal shape;petal some measurement;petal length or size">petals white to pinkish, rarely orange-spotted, ovate to oblong, narrowly to broadly clawed, 2.5–4.5 mm, longer than sepals;</span> <span class="statement" id="st-d0_s7" data-properties="filament shape">filaments distinctly club-shaped;</span> <span class="statement" id="st-d0_s8" data-properties="pistil fusion;pistil lengths">pistils connate 1/2–3/4 their lengths;</span> <span class="statement" id="st-d0_s9" data-properties="ovary position">ovary superior (to 1/3 adnate to hypanthium).</span> <span class="statement" id="st-d0_s10" data-properties="capsule coloration;capsule arrangement or dehiscence"><b>Capsules </b>green to yellow and purplish tinged to dark purple, valvate.</span><!--

-->{{Treatment/Body
|distribution=Alta.;B.C.;N.W.T.;Nunavut;Yukon;Alaska;Oreg.;Wash.;Europe (ne Russia);Asia
|discussion=<p>Varieties 6 (5 in the flora).</p><!--
--><p>Although sometimes reported for North America, Saxifraga nelsoniana var. aestivalis (Fischer & C. A. Meyer) H. Ohba (S. aestivalis Fischer & C. A. Meyer) is found only in Eurasia.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Inflorescences purple- or brown-tipped stipitate- glandular.
|[[Micranthes nelsoniana var. nelsoniana|Micranthes nelsoniana var. nelsoniana]]
|-id=key-0-1
|1
|Inflorescences tangled-hairy
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Leaf blade margins 9-12-toothed; capsules 6-12 mm; mostly Queen Charlotte Islands, adjacent coastal British Columbia.
|[[Micranthes nelsoniana var. carlottae|Micranthes nelsoniana var. carlottae]]
|-id=key-0-2
|2
|Leaf blade margins 12-18-toothed; capsules 3-8 mm; Oregon to Alaska and nw Canada
|[[#key-0-3| > 3]]
|-id=key-0-3
|3
|Inflorescences somewhat lax, hairs appressed; Coast Ranges and Cascades, British Columbia, Oregon, Washington.
|[[Micranthes nelsoniana var. cascadensis|Micranthes nelsoniana var. cascadensis]]
|-id=key-0-3
|3
|Inflorescences congested, hairs ascending; nw Canada, Alaska
|[[#key-0-4| > 4]]
|-id=key-0-4
|4
|Leaf blades thick, fleshy; pistils connate most of their lengths; Aleutian Islands, Alaska.
|[[Micranthes nelsoniana var. insularis|Micranthes nelsoniana var. insularis]]
|-id=key-0-4
|4
|Leaf blades thin, not fleshy; pistils connate to 3/4 their lengths; nw Canada, Alaska.
|[[Micranthes nelsoniana var. porsildiana|Micranthes nelsoniana var. porsildiana]]
|}
</div></div><!--

-->{{#Taxon:
name=Micranthes nelsoniana
|authority=(D. Don) Small in N. L. Britton et al.
|rank=species
|parent rank=genus
|synonyms=Saxifraga punctata subsp. nelsoniana;Saxifraga punctata var. nelsoniana
|basionyms=Saxifraga nelsoniana
|family=Saxifragaceae
|distribution=Alta.;B.C.;N.W.T.;Nunavut;Yukon;Alaska;Oreg.;Wash.;Europe (ne Russia);Asia
|reference=None
|publication title=in N. L. Britton et al., N. Amer. Fl.
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V8/V8_90.xml
|genus=Micranthes
|species=Micranthes nelsoniana
|base shape=cordate
|blade shape=reniform;round
|blade some measurement=2cm;9cm
|blade texture=fleshy;fleshy
|blade width=thick;thin
|capsule arrangement or dehiscence=valvate
|capsule coloration=green;yellow and purplish tinged
|caudex architecture=branched
|filament shape=club--shaped
|inflorescence architecture=brown-tipped;open;10+-flowered
|inflorescence architecture or arrangement=lax;congested
|inflorescence coloration or density=purple
|inflorescence pubescence=stipitate-glandular;tangled-hairy
|inflorescence shape=conic
|inflorescence some measurement=10cm;35cm
|leaf position=basal
|margin pubescence=glandular-ciliate;short;eciliate
|margin shape=crenate
|ovary position=superior
|petal coloration=orange-spotted;white;pinkish
|petal length or size=longer
|petal shape=ovate;oblong
|petal some measurement=2.5mm;4.5mm
|petiole shape=rounded
|petiole some measurement=3cm;30cm
|pistil fusion=connate
|pistil lengths=1/2;3/4
|sepal orientation=reflexed
|sepal shape=ovate
|surface pubescence=hairy;glabrous
|thyrse architecture=glomerate
|whole_organism architecture=rhizomatous
|whole_organism arrangement=tufted;solitary
|whole_organism growth form=plant
}}<!--

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