Overview

Distribution

National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

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Localities documented in Tropicos sources

Zizania palustris fo. purpurea Dore:
Canada (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Localities documented in Tropicos sources

Zizania palustris L.:
Canada (North America)
United States (North America)
China (Asia)
New Zealand (Oceania)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
  • Soreng, R. J., G. Davidse, P. M. Peterson, F. O. Zuloaga, E. J. Judziewicz, T. S. Filgueiras & O. Morrone. 2003 and onwards. On-line taxonomic novelties and updates, distributional additions and corrections, and editorial changes since the four published volumes of the Catalogue of New World Grasses (Poaceae) published in Contr. U.S. Natl. Herb. vols. 39, 41, 46, and 48. http://www.tropicos.org/Project/CNWG:. In R. J. Soreng, G. Davidse, P. M. Peterson, F. O. Zuloaga, T. S. Filgueiras, E. J. Judziewicz & O. Morrone Internet Cat. New World Grasses. Missouri Botanical Garden, St. Louis.   http://www.tropicos.org/Reference/1024044 External link.
  • Edgar, E., H. E. Connor & J. E. Shand. 1991. Checklist of oryzoid, arundinoid, and chloridoid grasses naturalised in New Zealand. New Zealand J. Bot. 29: 117–129.   http://www.tropicos.org/Reference/44385 External link.
  • Flora of China Editorial Committee. 2006. Fl. China 22: 1–733. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis.   http://www.tropicos.org/Reference/1029690 External link.
  • Chen, S. L., H. Z. Qin, Y. x. Jin & S. Pu. 1988. Preliminary studies on systematic position and evolution of Zizania L. (Gramineae). 593–605 pp. In Proc. Int. Symp. Bot. Gard. Jiangsu Science & Technology Publishing House, Nanjing.   http://www.tropicos.org/Reference/1007330 External link.
  • Terrell, E. E. & M. R. Duvall. 2000. Zizania. In Catalogue of New World Grasses (Poaceae): I. Subfamilies Anomochlooideae, Bambusoideae, Ehrhartoideae, and Pharoideae. Contr. U.S. Natl. Herb. 39: 116–118.   http://www.tropicos.org/Reference/1003759 External link.
  • Terrell, E. E., P. M. Peterson, J. L. Reveal & M. R. Duvall. 1997. Taxonomy of North American species of Zizania (Poaceae). Sida 17(3): 533–549.   http://www.tropicos.org/Reference/1006296 External link.
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Localities documented in Tropicos sources

Zizania aquatica var. angustifolia Hitchc.:
Canada (North America)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Global Range: New Brunswick to New Jersey, Iowa to Manitoba (Rydberg, P.A. 1965. Flora of the Prairies and Plains of Central North America).

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Physical Description

Morphology

Physical Description

Annuals, Aquatic, growing in or on water, Aquatic, fresh water, Terrestrial, not aquatic, Stems nodes swollen or brittle, Stems erect or ascending, Stems terete, round in cross section, or polygonal, Stem nodes bearded or hairy, Stem internodes solid or spongy, Stems with inflorescence 1-2 m tall, Stems with inflorescence 2-6 m tall, Stems, culms, or scapes exceeding basal leaves, Leaves mostly cauline, Leaves conspicuously 2-ranked, distichous, Leaves sheathing at base, Leaf sheath mostly open, or loose, Leaf sheath smooth, glabrous, Leaf sheath a nd blade differentiated, Leaf blades linear, Leaf blades 1-2 cm wide, Leaf blades 2 or more cm wide, Leaf blades mostly flat, Leaf blades mostly glabrous, Leaf blades scabrous, roughened, or wrinkled, Ligule present, Ligule an unfringed eciliate membrane, Ligule elongated, 1-3 cm, Inflorescence terminal, Inflorescence an open panicle, openly paniculate, branches spreading, Inflorescence a contracted panicle, narrowly paniculate, branches appressed or ascending, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Inflorescence curved, twisted or nodding, Inflorescence branches more than 10 to numerous, Lower panicle branches whorled, Flowers unisexual, Plants monoecious, Spikelets pedicellate, Spikelets laterally compressed, Spikelet less than 3 mm wide, Spikelets with 1 fertile floret, Spikelets solitary at rachis nodes, Spikelets unisexual, Spikelets falling with parts of disarticulating rachis or pedicel, Rachilla or pedicel glabr ous, Monoecious - staminate and pistillate spikelets on same inflorescence, Glumes completely absent or reduced to cuplike structure, Lemma coriaceous, firmer or thicker in texture than the glumes, Lemma 3 nerved, Lemma glabrous, Lemma apex acute or acuminate, Lemma distinctly awned, more than 2-3 mm, Lemma with 1 awn, Lemma awn 1-2 cm long, Lemma awn 2-4 cm long or longer, Lemma awned from tip, Lemma straight, Palea present, well developed, Palea about equal to lemma, Stamens 6, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear.
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Dr. David Bogler

Source: USDA NRCS PLANTS Database

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Type Information

Isotype for Zizania palustris f. purpurea Dore
Catalog Number: US 3283974
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Preparation: Pressed specimen
Collector(s): W. Dore & R. J. Moore
Year Collected: 1949
Locality: Ottawa Dist., 2 mi E of Embrun, ca. 24 mi SE of Ottawa., Russell, Ontario, Canada, North America
  • Isotype: Dore, W. G. 1976. Nature Canada. 103 (6): 565.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Ecology

Habitat

Comments: Shallow water.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Zizania palustris

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 12
Specimens with Barcodes: 12
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N4 - Apparently Secure

United States

Rounded National Status Rank: N4 - Apparently Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

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