Difference between revisions of "Polygonum sawatchense"
Bull. Torrey Bot. Club 20: 213, plate 156. 1893.
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|place=20: 213, plate 156. 1893 | |place=20: 213, plate 156. 1893 | ||
|year=1893 | |year=1893 | ||
+ | }} | ||
+ | |special_status={{Treatment/ID/Special_status | ||
+ | |code=E | ||
+ | |label=Endemic | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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− | |distribution= | + | |distribution=Alta.;B.C.;Sask.;Ariz.;Calif.;Colo.;Idaho;Mont.;N.Dak.;N.Mex.;Nebr.;Nev.;Oreg.;S.Dak.;Utah;Wash.;Wyo. |
|discussion=<p>Subspecies 2 (2 in the flora).</p> | |discussion=<p>Subspecies 2 (2 in the flora).</p> | ||
|tables= | |tables= | ||
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|basionyms= | |basionyms= | ||
|family=Polygonaceae | |family=Polygonaceae | ||
− | |distribution= | + | |distribution=Alta.;B.C.;Sask.;Ariz.;Calif.;Colo.;Idaho;Mont.;N.Dak.;N.Mex.;Nebr.;Nev.;Oreg.;S.Dak.;Utah;Wash.;Wyo. |
|reference=None | |reference=None | ||
|publication title=Bull. Torrey Bot. Club | |publication title=Bull. Torrey Bot. Club | ||
|publication year=1893 | |publication year=1893 | ||
− | |special status= | + | |special status=Endemic |
− | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V5/V5_1161.xml |
|subfamily=Polygonaceae subfam. Polygonoideae | |subfamily=Polygonaceae subfam. Polygonoideae | ||
|genus=Polygonum | |genus=Polygonum |
Revision as of 00:30, 28 May 2020
Herbs. Stems erect, green to brownish, simple or branched from base, not wiry, 4–50 cm, glabrous or papillose-scabrid-ulous. Leaves uniformly distributed, articulated to ocreae, basal leaves persistent or caducous, distal leaves abruptly or gradually reduced to bracts; ocrea 4–10 mm, glabrous or papillose-scabridulous, proximal part cylindric, distal part lacerate or disintegrating into a few persistent fibers; petiole 0.1–2 mm; blade 1-veined, not pleated, linear or narrowly oblong to oblanceolate, 8–45 × 2–8(–12) mm, margins revolute or flat, smooth or papillose-denticulate, apex acute, mucronate, rarely obtuse. Inflorescences axillary or axillary and terminal, spikelike, elongate; cymes widely spaced along branches, 2–4-flowered. Pedicels enclosed in or exserted from ocreae, erect, 1–4 mm. Flowers closed or at least some open; perianth (2.5–)4 mm; tube 20–40% of perianth length; tepals overlapping, greenish or reddish, sometimes flushed with purple, with white or pink margins, sepaloid or petaloid, oblong or oblong-elliptic, cucullate, navicular, apex rounded; midveins unbranched or with few branches at base; stamens 3–8. Achenes enclosed in perianth, black, elliptic or ovate, 2.5–3.3 mm, faces subequal, shiny, smooth.
Distribution
![V5 1161-distribution-map.gif](/w/images/f/f6/V5_1161-distribution-map.gif)
Alta., B.C., Sask., Ariz., Calif., Colo., Idaho, Mont., N.Dak., N.Mex., Nebr., Nev., Oreg., S.Dak., Utah, Wash., Wyo.
Discussion
Subspecies 2 (2 in the flora).
Selected References
None.
Key
1 | Stems and ocreae glabrous; leaf blades linear-lanceolate to narrowly oblong or oblanceolate, margins smooth; flowers closed | Polygonum sawatchense subsp. sawatchense |
1 | Stems and ocreae papillose-scabridulous; leaf blades elliptic or oblong-elliptic, margins papillose-denticulate; at least some flowers open | Polygonum sawatchense subsp. oblivium |