Overview
Distribution
Localities documented in Tropicos sources
Sporobolus cryptandrus var. strictus Scribn.:
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.
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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Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York.
http://www.tropicos.org/Reference/1327
© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA
Source:
Missouri Botanical Garden
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Localities documented in Tropicos sources
Sporobolus contractus Hitchc.:
Mexico (Mesoamerica)
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.
Mexico (Mesoamerica)
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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Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
http://www.tropicos.org/Reference/1103
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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
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Herrera Arrieta, Y. & A. Cortés Ortiz. 2010. Listado florístico y aspectos ecológicos de la familia Poaceae para Chihuahua, Durango y Zacatecas, México. J. Bot. Res. Inst. Texas 4(2): 711–738.
http://www.tropicos.org/Reference/100002652
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Espejo Serna, A., A. R. López-Ferrari & J. Valdés-Reyna. 2000. Poaceae. Monocot. Mexic. Sinopsis Floríst. 10: 7–236 [and index].
http://www.tropicos.org/Reference/1015183
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Beetle, A. A. 1977. Noteworthy grasses from Mexico V. Phytologia 37(4): 317–407.
http://www.tropicos.org/Reference/2538
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Gould, F. W. & R. Moran. 1981. The grasses of Baja California, Mexico. Mem. San Diego Soc. Nat. Hist. 12: 1–140.
http://www.tropicos.org/Reference/11232
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Correll, D. S. & M. C. Johnston. 1970. Man. Vasc. Pl. Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson.
http://www.tropicos.org/Reference/1493
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Munz, P. A. & D. D. Keck. 1959. Cal. Fl. 1–1681. University of California Press, Berkeley.
http://www.tropicos.org/Reference/1717
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Munz, P. A. 1974. Fl. S. Calif. 1–1086. University of California Press, Berkeley.
http://www.tropicos.org/Reference/1719
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Barkworth, M. E., K. M. Capels, S. Long & M. B. Piep. 2003. Magnoliophyta: Commelinidae (in part): Poaceae, part 2. 25: i–xxv, 1–783. In Fl. N. Amer. Oxford University Press, New York.
http://www.tropicos.org/Reference/1021466
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Peterson, P. M., S. C. Boechat & J. F. Veldkamp. 2001. Sporobolus. In Catalogue of New World Grasses (Poaceae): II. Subfamily Chloridoideae. Contr. U.S. Natl. Herb. 41: 200–219.
http://www.tropicos.org/Reference/1003698
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Gleason, H. A. & A. J. Cronquist. 1968. The Pteridophytoa, Gymnospermae and Monocotyledoneae. 1: 1–482. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York.
http://www.tropicos.org/Reference/1495
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Cronquist, A. J., A. H. Holmgren, N. H. Holmgren & Reveal. 1977. Vascular Plants of the Intermountain West, U.S.A. 6: 1–584. In A. J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermount. Fl. Hafner Pub. Co., New York.
http://www.tropicos.org/Reference/1725
© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO 63110 USA
Source:
Missouri Botanical Garden
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National Distribution
United States
Origin: Native
Regularity: Regularly occurring
Currently: Present
Confidence: Confident
Type of Residency: Year-round
© NatureServe
Source:
NatureServe
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Physical Description
Morphology
Physical Description
Perennials, Terrestrial, not aquatic, Stems nodes swollen or brittle, Stems erect or ascending, Stems caespitose, tufted, or clustered, Stems terete, round in cross section, or polygonal, Stem internodes hollow, Stems with inflorescence less than 1 m tall, Stems with inflorescence 1-2 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 hairy at summit, throat, or collar, Leaf sheath and blade differentiated, Leaf blades linear , Leaf blades 2-10 mm wide, Leaf blades mostly flat, Leaf blade margins folded, involute, or conduplicate, Leaf blades mostly glabrous, Ligule present, Ligule a fringe of hairs, Inflorescence terminal, Inflorescence a dense slender spike-like panicle or raceme, branches contracted, Inflorescence solitary, with 1 spike, fascicle, glomerule, head, or cluster per stem or culm, Flowers bisexual, Spikelets pedicellate, Spikelets laterally compressed, Inflorescence or spikelets partially hidden in leaf sheaths, subtended by spatheole, Spikelet less than 3 mm wide, Spikelets with 1 fertile floret, Spikelets solitary at rachis nodes, Spikelets all alike and fertille, Spikelets bisexual, Spikelets disarticulating above the glumes, glumes persistent, Rachilla or pedicel glabrous, Glumes present, empty bracts, Glumes 2 clearly present, Glumes distinctly unequal, Glumes shorter than adjacent lemma, Glumes equal to or longer than adjacent lemma, Glumes 1 nerved, Lemmas thin, chartaceous , hyaline, cartilaginous, or membranous, Lemma similar in texture to glumes, Lemma 1 nerved, Lemma glabrous, Lemma apex acute or acuminate, Lemma awnless, Lemma straight, Palea present, well developed, Palea membranous, hyaline, Palea about equal to lemma, Palea 2 nerved or 2 keeled, Stamens 3, Styles 2-fid, deeply 2-branched, Stigmas 2, Fruit - caryopsis, Caryopsis ellipsoid, longitudinally grooved, hilum long-linear.
Dr. David Bogler
Source:
USDA NRCS PLANTS Database
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Type Information
Isotype for Sporobolus cryptandrus var. strictus Scribn.
Catalog Number: US 825284
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Preparation: Pressed specimen
Collector(s): C. G. Pringle
Year Collected: 1881
Locality: Brook near Camp Lowell., Arizona, United States, North America
Catalog Number: US 825284
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Preparation: Pressed specimen
Collector(s): C. G. Pringle
Year Collected: 1881
Locality: Brook near Camp Lowell., Arizona, United States, North America
- Isotype: Scribner, F. L. 1882. Bull. Torrey Bot. Club. 9: 103.
© Smithsonian Institution, National Museum of Natural History, Department of Botany
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Molecular Biology and Genetics
Molecular Biology
Barcode data: Sporobolus contractus
The following is a representative barcode sequence, the centroid of all available sequences for this species.
No available public DNA sequences.
Download FASTA File
No available public DNA sequences.
Download FASTA File
© Barcode of Life Data Systems
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Statistics of barcoding coverage: Sporobolus contractus
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
© Barcode of Life Data Systems
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Conservation
Conservation Status
National NatureServe Conservation Status
United States
Rounded National Status Rank: N4 - Apparently Secure
© NatureServe
Source:
NatureServe
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NatureServe Conservation Status
Rounded Global Status Rank: G5 - Secure
© NatureServe
Source:
NatureServe
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Wikipedia
Sporobolus contractus
Sporobolus contractus is a species of grass known by the common name spike dropseed. It is native to western North America, including the southwestern United States and northern Mexico. It grows in desert and plateau habitat, in woodlands, scrub, and dry, sandy, open areas.
It is a perennial bunchgrass forming a clump or tuft of stems reaching up to 1.2 meters in maximum height. The stem bases are thick and sheathed by the hairless leaves. The inflorescence is dense, cylindrical, and narrow. It is a spikelike series of many small whitish or grayish spikelets.
Source:
Wikipedia
Unreviewed
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