Description
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englanti
)
tarjonnut eFloras
Herbs perennial. Root ligneous, stout, ca. 1.5 cm in diam. Stems prostrate, 8-15 cm, branched from base, angulate, minutely papillate along angles. Petiole 2-5 mm, base articulate; leaf blade elliptic, 1-2 cm × 5-13 mm, both surfaces glabrous, abaxially with prominent midvein, adaxially with conspicuous midvein; ocrea silvery, thinly membranous, hyaline, veined, apex lacerate. Flowers 1-5, in axillary fascicles; bracts ca. as long as lower leaves, membranous, apex acuminate. Pedicel 1-3 mm. Perianth green, margin pinkish or white, 5-cleft to 1/2; tepals ovate, 1.5-2 mm, becoming hard in fruit. Stamens 8, included; filaments dilated at base. Styles 3; stigmas capitate. Achenes included in persistent perianth, black, shiny, ovoid, trigonous, 2.5-3 mm. Fl. Jun-Aug, fr. Jul-Sep.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
(
englanti
)
tarjonnut eFloras
Perennial, prostrate or ascending branched herb, 15-30 cm long with a thick stout root stock, ± woody at base, stem angular, with very short internodes, glabrous or puberulous. Leaves shortly petiolate, petiole 2-5 mm long, lamina elliptic or elliptic-oblong, rarely ovate-spathulate, acute or obtuse, margin entire, sometimes recurved, uninerved or sometimes nerves obscure, ± fleshy, 0.5-2.75 x 0.3-1.5 cm. Ochreae ovate, hyaline, silvery, nerves 2, included 2-5 mm long. Flowers axillary, 2 in each axil, 1.5-1.75 mm across, white, pedicel up to 1.0 mm long, perianth lobes 5, tepals ± orbicular, urceolate, tube thick, as long as the lobes. Stamens 5, filaments broad at base, 0.25-0.5 mm long. Styles 2-3 with ± rounded stigmas; ovary trigonous, 1-2 mm long. Nut ovate-trigonous, usually compressed, black or dark brown, c. 3 x 1.5 (-2) mm shining enclosed within the thickened perianth.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
(
englanti
)
tarjonnut eFloras
Nei Mongol, Xinjiang [Kazakhstan, Kyrgzystan, Mongolia, Russia (Siberia), Tajikistan].
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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englanti
)
tarjonnut eFloras
Gravelly mountain slopes, dry riverbeds; 1400-4600 m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
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englanti
)
tarjonnut eFloras
Polygonum myriophyllum H. Gross; P. rupestre Karelin & Kirilov.
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- cc-by-nc-sa-3.0
- tekijänoikeus
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Polygonum cognatum: Brief Summary
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englanti
)
tarjonnut wikipedia EN
Polygonum cognatum, commonly called Indian knotgrass or madimak (from Turkish madımak), is an edible weedy creeping perennial herb in the genus Polygonum, frequently eaten by people of Turkey. It has larger leaves than most other species of Polygonum.
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- Wikipedia authors and editors