Difference between revisions of "Micranthes nelsoniana"
in N. L. Britton et al., N. Amer. Fl. 22: 147. 1905 ,.
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|accepted_name=Micranthes nelsoniana | |accepted_name=Micranthes nelsoniana | ||
| − | |accepted_authority=(D. Don) Small | + | |accepted_authority=(D. Don) Small |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in N. L. Britton et al., N. Amer. Fl. | |title=in N. L. Britton et al., N. Amer. Fl. | ||
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| − | |distribution= | + | |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><!-- | |discussion=<p>Varieties 6 (5 in the flora).</p><!-- | ||
--><p>Although sometimes reported for North America, <i>Saxifraga</i> nelsoniana <i></i>var.<i> aestivalis</i> (Fischer & C. A. Meyer) H. Ohba (S. aestivalis Fischer & C. A. Meyer) is found only in Eurasia.</p> | --><p>Although sometimes reported for North America, <i>Saxifraga</i> nelsoniana <i></i>var.<i> aestivalis</i> (Fischer & C. A. Meyer) H. Ohba (S. aestivalis Fischer & C. A. Meyer) is found only in Eurasia.</p> | ||
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name=Micranthes nelsoniana | name=Micranthes nelsoniana | ||
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|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|basionyms=Saxifraga nelsoniana | |basionyms=Saxifraga nelsoniana | ||
|family=Saxifragaceae | |family=Saxifragaceae | ||
| − | |distribution= | + | |distribution=Alta.;B.C.;N.W.T.;Nunavut;Yukon;Alaska;Oreg.;Wash.;Europe (ne Russia);Asia. |
|reference=None | |reference=None | ||
|publication title=in N. L. Britton et al., N. Amer. Fl. | |publication title=in N. L. Britton et al., N. Amer. Fl. | ||
|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V8/V8_90.xml |
|genus=Micranthes | |genus=Micranthes | ||
|species=Micranthes nelsoniana | |species=Micranthes nelsoniana | ||
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| − | -->[[Category:Treatment]][[Category:Micranthes]] | + | --> |
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| + | [[Category:Revised Since Print]] | ||
Latest revision as of 17:18, 6 November 2020
Plants solitary or tufted, with bulbils on branched caudices, rhizomatous. Leaves basal; petiole rounded, 3–30 cm; 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. Inflorescences 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. Flowers: sepals reflexed, ± ovate; petals white to pinkish, rarely orange-spotted, ovate to oblong, narrowly to broadly clawed, 2.5–4.5 mm, longer than sepals; filaments distinctly club-shaped; pistils connate 1/2–3/4 their lengths; ovary superior (to 1/3 adnate to hypanthium). Capsules green to yellow and purplish tinged to dark purple, valvate.
Distribution
Alta., B.C., N.W.T., Nunavut, Yukon, Alaska, Oreg., Wash., Europe (ne Russia), Asia.
Discussion
Varieties 6 (5 in the flora).
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.
Selected References
None.
Lower Taxa
Key
| 1 | Inflorescences purple- or brown-tipped stipitate- glandular. | Micranthes nelsoniana var. nelsoniana |
| 1 | Inflorescences tangled-hairy | > 2 |
| 2 | Leaf blade margins 9-12-toothed; capsules 6-12 mm; mostly Queen Charlotte Islands, adjacent coastal British Columbia. | Micranthes nelsoniana var. carlottae |
| 2 | Leaf blade margins 12-18-toothed; capsules 3-8 mm; Oregon to Alaska and nw Canada | > 3 |
| 3 | Inflorescences somewhat lax, hairs appressed; Coast Ranges and Cascades, British Columbia, Oregon, Washington. | Micranthes nelsoniana var. cascadensis |
| 3 | Inflorescences congested, hairs ascending; nw Canada, Alaska | > 4 |
| 4 | Leaf blades thick, fleshy; pistils connate most of their lengths; Aleutian Islands, Alaska. | Micranthes nelsoniana var. insularis |
| 4 | Leaf blades thin, not fleshy; pistils connate to 3/4 their lengths; nw Canada, Alaska. | Micranthes nelsoniana var. porsildiana |