Difference between revisions of "Kobresia sibirica"
Linnaea 39: 7. 1875.
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|place=39: 7. 1875 | |place=39: 7. 1875 | ||
|year=1875 | |year=1875 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
}} | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Elyna sibirica | |name=Elyna sibirica | ||
|authority=Turczaninow ex Ledebour | |authority=Turczaninow ex Ledebour | ||
| + | |rank=species | ||
|publication_title=Fl. Ross. | |publication_title=Fl. Ross. | ||
|publication_place=4: 262. 1852 | |publication_place=4: 262. 1852 | ||
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|name=Kobresia hyperborea | |name=Kobresia hyperborea | ||
|authority=A. E. Porsild | |authority=A. E. Porsild | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Kobresia macrocarpa | |name=Kobresia macrocarpa | ||
|authority=Clokey ex Mackenzie | |authority=Clokey ex Mackenzie | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Cyperaceae;Kobresia;Kobresia sibirica | |hierarchy=Cyperaceae;Kobresia;Kobresia sibirica | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Kobresia sibirica | name=Kobresia sibirica | ||
| − | |||
|authority=(Turczaninow ex Ledebour) Boeckeler | |authority=(Turczaninow ex Ledebour) Boeckeler | ||
|rank=species | |rank=species | ||
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|publication title=Linnaea | |publication title=Linnaea | ||
|publication year=1875 | |publication year=1875 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_456.xml |
|genus=Kobresia | |genus=Kobresia | ||
|species=Kobresia sibirica | |species=Kobresia sibirica | ||
Latest revision as of 20:40, 5 November 2020
Culms 5–40 cm. Leaves: basal sheaths somewhat glossy, bladeless; blades filiform, 2–15 cm × 0.25–0.5 mm. Inflorescences simple, 10–20 × 4–8 mm; proximal spikelets usually androgynous with 1–2 staminate flowers, 1 pistillate flower, and 1–3 scales; distal spikelets staminate, 1-flowered. Scales brown, obovate-circular, 3.5–5.5 mm, midvein distinct only near base, margins hyaline, apex obtuse. Anthers 2–3 mm. Perigynia brown, finely veined, 3.5–5.5 mm, margins connate near base. Achenes 2.6–4 mm.
Phenology: Fruiting summer.
Habitat: Dry to mesic tundra
Elevation: 0–3600 m
Distribution
N.W.T., Nunavut, Yukon, Alaska, Colo., Wyo., c, n Asia.
Discussion
Kobresia sibirica, a local and variable species, is not yet fully understood. Some authors consider K. hyperborea and K. macrocarpa to be distinct endemic North American species; other authors include those and K. sibirica in the southwest Asian species K. schoenoides (C. A. Meyer) Steudel. In the Asian plants, the androgynous spikelets are reported as having 3 staminate flowers and no sterile scales.
Selected References
None.