Comments
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A common species of wet places in the hilly parts of Pakistan. It is easily distinguished from the previous species by its leaves not spine-tipped and each individual flower subtended at the base by a pair of short bracteoles.
Some forms of this species have been mistaken for Juncus effusus L. (R.R.Stewart, l.c. 40), a species of N.Temperate zone, India (?) (Sikkim to Khasia) eastwards to Malaysia, Australia and New Zealand. It is distinguished by its obovoid capsules, emarginate at tip, about as long as the perianth, flowers smaller and often only with 3 stamens.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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Stiffly erect perennial, (20-) 30-60 (-90) cm tall, caespitose or tufted, grey-green, with creeping, somewhat woody rootstock; stem 1-1.5 mm thick above, with interrupted pith. Leaves basal only; sheaths glossy brownish to blackish, broad, blade-less to with blade, 4-10 (-15) cm long, pale, obtuse to acute. Inflorescence seemingly lateral. 2.5-10 cm long, paniculate, with unequal, often forking branches, nodding; lower bract erect, abbreviated to much elongated, looking like the extension of culm, sharply pointed. Flowers (2.5-) 3-4 mm long, greenish; perianth segments lanceolate. subulate pointed, apices unequal, inner shorter. Stamens 6, included; anthers c. as long as the filaments. Capsules ovoid-acuminate, shortly beaked, shining brown, equalling to slightly exceeding the perianth, many-seeded; seeds c. 0.5 mm long, ovoid, brownish hardly appendaged.
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Description
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Herbs, perennial, cespitose, stooling, 4--10 (--12) dm. Rhizomes 3--5 mm diam. Culms terete, 1.5--3 mm diam. Cataphylls several. Leaves: blade absent. Inflorescences many flowered, open, 2--7 cm; primary bract terete, 10--25 cm. Flowers pedicellate; bracteoles ovate; tepals straw-colored to reddish brown, lanceolate, 2.7--3.5 mm, margins scarious; inner series loosely subtending capsule at maturity, shorter; stamens 6, filaments 0.8--1.5 mm, anthers 0.8--1 mm; style 0.3 mm. Capsules reddish brown to chestnut brown, 3-locular, 3-gonous-ovoid to widely ellipsoid, 3--4 mm, exceeding perianth. Seeds amber, obovoid, 0.3--0.5 mm, not tailed. 2n = 20, 38, 40.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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Plants perennial, tufted. Stems terete, 40--80 cm × 1.2--4 mm; pith interrupted. Cataphylls closely embracing stem, reddish brown to brown, shiny or not, sheathlike, 1--13 cm. Inflorescences pseudolateral, many flowered in small, dense panicles; involucral bract erect, seemingly a continuation of stem, long. Bracteoles 2, broadly ovate to ovate-lanceolate. Perianth yellowish green at center; segments narrowly lanceolate, 2.5--3.5 × ca. 1 mm, subequal or outer ones larger than inner, margin thin, transparent, apex acute. Stamens 6, ca. 1/2 as long as perianth; filaments pale reddish brown; anthers ca. 0.7 mm. Ovary 3-loculed. Style shorter than ovary. Capsule yellowish green to chestnut brown, trigonous, ellipsoid, narrowly ovoid, or ovoid-oblong, 3--3.4 mm, subequaling or slightly longer than outer perianth segments, 3-septate, apex obtuse to acuminate, often mucronate. Seeds brown, obliquely ovoid to oblong, ca. 0.6 mm, reticulate. Fl. Jun--Jul, fr. Jul--Sep. 2 n = 38, 40, 42.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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N. Africa, Europe, W. Asia, Himalaya (Kumaun to Assam), Ceylon.
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Distribution
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Distribution: Most of Europe and Asia, N.Africa; introduced elsewhere.
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Distribution
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Gansu, Guangxi, Guizhou, Henan, Jiangsu, Qinghai, Shanxi, Sichuan, Xizang, Xinjiang, Yunnan [Bhutan, India, Indonesia, Kashmir, Malaysia, Nepal, Pakistan, Russia (E Siberia), Sikkim, Sri Lanka; Africa, Europe, North America].
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Elevation Range
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2100-3200 m
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Habitat
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Flood plains, wet grasslands, marshes, river banks, ditch margins; 1100--2700 m.
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Habitat & Distribution
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Flowering and fruiting summer. Wet soils along streams, ditches, and on wet, sandy and peaty hillsides; introduced; Ont.; Mich., N.Y., Pa., Va.; Europe; Asia; Africa.
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Synonym
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Juncus glaucus Ehrhart ex Sibthorp
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Synonym
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Juncus brachytepalus Trautvetter ex V. I. Kreczetowicz & Gontscharow; J. glaucus Ehrhart ex Sibthorp; J. inflexus subsp. austro-occidentalis K. F. Wu; J. inflexus subsp. brachytepalus (Trautvetter ex V. I. Kreczetowicz & Gontscharow) Novikov.
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