Difference between revisions of "Koenigia islandica"

Linnaeus

Mant. Pl. 1: 35. 1767.

,

Syst. Nat. ed. 12, 2: 71, 104. 1767.

Common names: Island koenigia koenigia d’Islande
Illustrated
Treatment appears in FNA Volume 5. Treatment on page 601.
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_1225.xml
 
|subfamily=Polygonaceae subfam. Polygonoideae
 
|subfamily=Polygonaceae subfam. Polygonoideae
 
|genus=Koenigia
 
|genus=Koenigia

Latest revision as of 22:08, 5 November 2020

Plants (0.5–)1–8(–20) cm. Stems often reddish, branched or simple, rooting adventitiously from proximal nodes. Leaves: ocrea brownish, broadly funnelform, 1–1.5 mm, margins oblique; petiole (0.1–)2–10 mm; blade 1–6.5 × 1–5 mm, base tapering to truncate, apex obtuse to acute, glabrous. Pedicels 0.1–1.5 mm or absent. Flowers: perianth 0.9–1.8 mm; tepals ovate to elliptic, margins entire, apex obtuse; stamens ca. 1/2 as long as tepals. Achenes 1–1.8 × 0.7–0.8 mm, dull. 2n = 14 (Mongolia, Norway), 28.


Phenology: Flowering Jul–Aug, fruiting Aug–Sep.
Habitat: Arctic tundra and alpine meadows with permanently moist gravel, especially around persistent snow patches near streams, ponds, and lakes
Elevation: 0-4400 m

Distribution

V5 1225-distribution-map.gif

Greenland, Alta., B.C., Man., Nfld. and Labr. (Labr.), N.W.T., Nunavut, Ont., Que., Yukon, Alaska, Colo., Mont., Utah, Wyo., s South America (Argentina, Chile), n Europe, c, e Asia.

Discussion

Koenigia islandica is among the smallest of terrestrial flowering plants and one of few annual species in arctic and alpine floras. Some other species exhibit a similar bipolar distribution (e.g., Anemone multifida Poiret, Osmorhiza chilensis Hooker & Arnott, and Carex macloviana D’Urville).

Selected References

None.

Lower Taxa

None.
... more about "Koenigia islandica"
John G. Packer +  and Craig C. Freeman +
Linnaeus +
Island koenigia +  and koenigia d’Islande +
Greenland +, Alta. +, B.C. +, Man. +, Nfld. and Labr. (Labr.) +, N.W.T. +, Nunavut +, Ont. +, Que. +, Yukon +, Alaska +, Colo. +, Mont. +, Utah +, Wyo. +, s South America (Argentina +, Chile) +, n Europe +, c +  and e Asia. +
0-4400 m +
Arctic tundra and alpine meadows with permanently moist gravel, especially around persistent snow patches near streams, ponds, and lakes +
Flowering Jul–Aug, fruiting Aug–Sep. +
Mant. Pl. +  and Syst. Nat. ed. +
Illustrated +
Koenigia islandica +
Koenigia +
species +