familyPolygonaceae
subfamilyPolygonaceae subfam. Polygonoideae
genusPolygonum
sectionPolygonum sect. Duravia
speciesPolygonum polygaloides
subspeciesPolygonum polygaloides subsp. esotericum
Difference between revisions of "Polygonum polygaloides subsp. esotericum"
Madroño 31: 251. 1984.
Common names: Modoc County knotweed
Endemic
Basionym: Polygonum esotericum L. C. Wheeler Rhodora 40: 310, fig. 1. 1938
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|common_names=Modoc County knotweed | |common_names=Modoc County knotweed | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Polygonum esotericum | |name=Polygonum esotericum | ||
|authority=L. C. Wheeler | |authority=L. C. Wheeler | ||
| + | |rank=species | ||
| + | |publication_title=Rhodora | ||
| + | |publication_place=40: 310, fig. 1. 1938 | ||
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name=Polygonum polygaloides subsp. esotericum | name=Polygonum polygaloides subsp. esotericum | ||
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|authority=(L. C. Wheeler) J. C. Hickman | |authority=(L. C. Wheeler) J. C. Hickman | ||
|rank=subspecies | |rank=subspecies | ||
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|publication title=Madroño | |publication title=Madroño | ||
|publication year=1984 | |publication year=1984 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_1157.xml |
|subfamily=Polygonaceae subfam. Polygonoideae | |subfamily=Polygonaceae subfam. Polygonoideae | ||
|genus=Polygonum | |genus=Polygonum | ||
Latest revision as of 23:08, 5 November 2020
Stems 5–12 cm. Inflorescences continuous from bases of branches or stems, narrowly cylindric, 2–10 × 5–7 mm; bracts appressed, elliptic-lanceolate, 4–8 mm, rigid, margins flat, green, if white then scarious portion 0.1–0.2 mm wide; lateral and midveins prominent adaxially. Flowers: perianth 2.1–2.9 mm; tube 29–40% of perianth length; tepals white or pink; perianth tube and base of tepals smooth; stamens 5–8. Achenes dark brown, lanceolate, 2–2.5 mm, reticulately ridged to almost smooth, dull.
Phenology: Flowering Jun–Aug.
Habitat: Vernal pools, seasonally wet places, desert scrub, pinyon and juniper woodlands
Elevation: 1400-1600 m
Discussion
Selected References
None.
Lower Taxa
None.