Species: |
Juncus atratus Krock. |
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dark rush |
Distribution
Ukraine
References:
Species:
< species list >
Native to: Altay, Austria, Central European Rus, Czechoslovakia, East European Russia, Greece, Kazakhstan, Krasnoyarsk, North Caucasus, Transcaucasus, Turkey, West Siberia, Xinjiang.
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IUCN status: Not Evaluated (NE)
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Plants perennial. Rhizome creeping, 40-70(-120) cm. Stems terete, 2-3.5 mm in diam., hollow. Basal leaves few, cauline leaves 3 or 4(or 5); leaf sheath auricles well developed; leaf blade terete, 8-23 cm × 1-2.5(-3) mm, ribbed, perfectly septate, apex acute. Inflorescences terminal, 3-5-branched; involucral bract leaflike, 7-10 cm, apex acute; heads 35-70, globose, ca. 6 mm in diam., 6-16-flowered; bracts broadly lanceolate, 1.5-2.2 mm, 1-veined. Perianth segments chestnut brown, lanceolate; inner segments 2.5-3 × ca. 0.8 mm, slightly longer than outer ones, veins 1-3, apex acute. Stamens 6, 1.5-2 mm; anthers 0.7-1 mm, equaling or slightly longer than filaments. Stigmas ca. 2 mm. Capsule trigonous ovoid, 2.2-2.6 mm, 1-loculed, apex abruptly contracted to a short beak. Seeds ovoid, 0.3-0.5 mm, reticulate. Fl. Jul-Aug, fr. Aug-Sep.
Wet places by lakes; ca. 600 m.
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«« Juncus
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Species
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Juncus atratus
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Krock.
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Experts: Nadiya Sytschak: Plantae · Ekaterina Kalashnik: Plantae · Ivan Danylyk: Plantae · leopolitanus: Plantae · Tatjana Sova: Plantae · marina_golivets: Tracheophyta · Olshanskyi_Igor: Juncaceae
Query time: 0.052 / 0.052 sec.
Pages: 1
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Juncus atratus - dark rush
Maryna Burlaka
11.07.2018 12:22:12
13.07.2018 12:19:16 #80585
2018-07-11_12.22.12.jpg
Views: 278
UA·Chernihivska oblast·Kozelets r...
to the N of town Oster
11.07.2018
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Juncus atratus - dark rush
Maryna Burlaka
11.07.2018 12:21:48
13.07.2018 12:19:16 #80584
2018-07-11_12.21.48.jpg
Views: 212
UA·Chernihivska oblast·Kozelets r...
to the N of town Oster
11.07.2018
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Query time: 0.007 / 0.06 sec.
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