Koenigia islandica

Linnaeus

Mant. Pl. 1: 35. 1767

,

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

Common names: Island koenigia koenigia d’Islande
Treatment appears in FNA Volume 5. Treatment on page 601.
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).

References

None.

Lower Taxa

No lower taxa listed.

Facts about "Koenigia islandica"
AuthorJohn G. Packer + and Craig C. Freeman +
AuthorityLinnaeus +
Common nameIsland koenigia + and koenigia d’Islande +
DistributionGreenland +, 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. +
Elevation0-4400 m +
HabitatArctic tundra and alpine meadows with permanently moist gravel, especially around persistent snow patches near streams, ponds, and lakes +
IllustratorYevonn Wilson-Ramsey +
PhenologyFlowering Jul–Aug, fruiting Aug–Sep. +
Publication titleMant. Pl. + and Syst. Nat. ed. +
Publication year1767 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V5/V5 1225.xml +
Taxon familyPolygonaceae +
Taxon nameKoenigia islandica +
Taxon parentKoenigia +
Taxon rankspecies +
VolumeVolume 5 +