Koenigia islandica (Koenigia islandica)
Description
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.Flowering Jul-Aug, fruiting Aug-Sep. Arctic tundra and alpine meadows with permanently moist gravel, especially around persistent snow patches near streams, ponds, and lakes; 0-4400 m; 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.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Caryophyllales
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Family: Polygonaceae
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Genus: Koenigia
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