- Family: Poaceae Barnhart
- Genus: Dichanthelium (Hitchc. & Chase) Gould
Dichanthelium dichotomum (L.) Gould
- Genus: Dichanthelium (Hitchc. & Chase) Gould
This species is accepted, and its native range is N. & Central America, Caribbean to Venezuela.
Descriptions
According to GrassBase - The Online World Grass Flora under the synonym Panicum dichotomum
[GB]- Habit
- Perennial; caespitose. Rootstock evident. Culms slender; 20-80(-100) cm long. Culm-nodes glabrous, or bearded. Lateral branches fastigiate. Leaves basal and cauline; heterophyllous with a basal winter rosette. Leaf-sheaths outer margin hairy. Ligule an eciliate membrane, or a fringe of hairs; 0.2-1 mm long. Leaf-blades 4-12(-15) cm long; 3-10(-13) mm wide. Leaf-blade surface glabrous, or pilose. Leaf-blade margins glabrous, or ciliate; hairy at base. Leaf-blade apex attenuate.
- Inflorescences
- Inflorescence a panicle. Panicle open; oblong; 3-8(-10) cm long. Primary panicle branches spreading. Spikelets solitary. Fertile spikelets pedicelled.
- Spikelets
- Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong, or obovate; dorsally compressed; 1.5-2.4 mm long; falling entire.
- Fertile
- Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong, or obovate; dorsally compressed; 1.5-2.4 mm long; falling entire.
- Glume
- Glumes dissimilar; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 0.25-0.33 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex obtuse. Upper glume oblong; 0.7-0.8 length of spikelet; membranous; without keels; 7-9 -veined. Upper glume surface glabrous, or puberulous. Upper glume apex obtuse.
- Florets
- Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; oblong; 1 length of spikelet; membranous; 7-9 -veined; glabrous, or puberulous; obtuse. Fertile lemma oblong; dorsally compressed; 1.5-2.4 mm long; indurate; pallid; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
- Distribution
- North America: eastern Canada, north-central USA, northeast USA, south-central USA, southeast USA, and Mexico. South America: Mesoamericana and Caribbean.
- Reference
- Paniceae. Gould.
Images
Distribution
Native to:
Alabama, Arkansas, Bahamas, Belize, Connecticut, Cuba, Delaware, District of Columbia, Dominican Republic, Florida, Georgia, Guatemala, Haiti, Honduras, Illinois, Indiana, Iowa, Jamaica, Kentucky, Louisiana, Maine, Maryland, Masachusettes, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, New Brunswick, New Hampshire, New Jersey, New York, Nicaragua, North Carolina, Ohio, Oklahoma, Ontario, Pennsylvania, Puerto Rico, Rhode I., South Carolina, Tennessee, Texas, Venezuela, Vermont, Virginia, West Virginia, Wisconsin
Synonyms
- Chasea dichotoma (L.) Nieuwl.
- Dichanthelium annulum (Ashe) LeBlond
- Dichanthelium caerulescens (Hack. ex Hitchc.) Correll
- Dichanthelium dichotomum var. barbulatum (Michx.) Mohlenbr.
- Dichanthelium dichotomum subsp. lucidum (Ashe) Freckmann & Lelong
- Dichanthelium dichotomum subsp. mattamuskeetense (Ashe) Freckmann & Lelong
- Dichanthelium dichotomum subsp. microcarpon (Muhl. ex Elliott) Freckmann & Lelong
- Dichanthelium dichotomum var. nitidum (Lam.) LeBlond
- Dichanthelium dichotomum subsp. nitidum (Lam.) Freckmann & Lelong
- Dichanthelium dichotomum var. ramulosum (Torr.) LeBlond
- Dichanthelium dichotomum var. roanokense (Ashe) LeBlond
- Dichanthelium dichotomum subsp. roanokense (Ashe) Freckmann & Lelong
- Dichanthelium dichotomum subsp. yadkinense (Ashe) Freckmann & Lelong
- Dichanthelium lucidum (Ashe) LeBlond
- Dichanthelium mattamuskeetense (Ashe) Mohlenbr.
- Dichanthelium microcarpon (Muhl. ex Elliott) Mohlenbr.
- Dichanthelium nitidum (Lam.) Mohlenbr.
- Dichanthelium roanokense (Ashe) LeBlond
- Dichanthelium sphagnicola (Nash) LeBlond
- Dichanthelium yadkinense (Ashe) Mohlenbr.
- Panicum albomarginatum Nash
- Panicum angustifolium Leconte ex Torr.
- Panicum annulum Ashe
- Panicum annulum var. glabrescens Gleason
- Panicum barbulatum Michx.
- Panicum bogueanum Ashe
- Panicum caerulescens Hack. ex Hitchc.
- Panicum clivum Sohns
- Panicum clutei Nash
- Panicum concinnius Hitchc. & Chase
- Panicum curtivaginum Ashe
- Panicum deustum Brickell & Enslin ex Muhl.
- Panicum dichotomum L.
- Panicum dichotomum var. barbulatum (Michx.) Alph.Wood
- Panicum dichotomum var. clutei (Nash) C.F.Reed
- Panicum dichotomum var. commune S.Watson & J.M.Coult.
- Panicum dichotomum var. divaricatum Vasey
- Panicum dichotomum var. lucidum (Ashe) Lelong
- Panicum dichotomum var. mattamuskeetense (Ashe) Lelong
- Panicum dichotomum var. nitidum (Lam.) Alph.Wood
- Panicum dichotomum var. nodiflorum (Lam.) Griseb.
- Panicum dichotomum var. ramulosum (Torr.) Lelong
- Panicum dichotomum var. roanokense (Ashe) Lelong
- Panicum dichotomum var. viride Vasey
- Panicum dichotomum var. yadkinense (Ashe) Lelong
- Panicum dumus Desv.
- Panicum flexuosum Scribn. & Merr.
- Panicum gracilicaule Nash
- Panicum gravius Hitchc. & Chase
- Panicum heterophyllum Muhl.
- Panicum lucidum Ashe
- Panicum lucidum var. opacum Fernald
- Panicum maculatum Ashe
- Panicum mattamuskeetense Ashe
- Panicum mattamuskeetense var. clutei (Nash) Fernald
- Panicum microcarpon Muhl. ex Elliott
- Panicum muhlenbergianum Schult.
- Panicum multirameum Scribn.
- Panicum nitidum Lam.
- Panicum nitidum var. barbatum Torr.
- Panicum nitidum var. barbulatum (Michx.) Chapm.
- Panicum nitidum var. glabriusculum Döll
- Panicum nitidum var. pauciflorum Britton
- Panicum nitidum var. ramulosum Torr.
- Panicum nitidum var. viride (Vasey) Britton
- Panicum nodiflorum Lam.
- Panicum pubescens var. barbulatum (Michx.) Britton
- Panicum ramulosum Michx.
- Panicum ramulosum var. viride (Vasey) Porter
- Panicum roanokense Ashe
- Panicum sphagnicola Nash
- Panicum subbarbulatum Scribn. & Merr.
- Panicum taxodiorum Ashe
- Panicum tremulum Spreng.
- Panicum trifolium Nash
- Panicum triticeum Willd. ex Spreng.
- Panicum yadkinense Ashe
Other Data
Dichanthelium dichotomum (L.) Gould appears in other Kew resources:
Herbarium Catalogue (3 records)
Date | Reference | Identified As | Barcode | Type Status |
---|---|---|---|---|
Nash, G. V. [2500], Florida | Panicum sphagnicola | K000674407 | ||
Nash, G. V. [925], Florida | Panicum albomarginatum | K000674410 | ||
Fernald, M. L. [6484], Virginia | Panicum lucidum var. opacum | K000674408 |
Bibliography
First published in Brittonia 26: 59 (1974)
Not accepted by
- Govaerts, R. (2000). World Checklist of Seed Plants Database in ACCESS D: 1-30141. [Cited as Panicum dichotomum.]
Literature
Kew Backbone Distributions
- López Patiño, E.J., Szeszko, D.R., Rascala Pérez, J. & Beltrán Retis, A.S. (2012). The flora of the Tenacingo-Malinalco-Zumpahuacán protected natural area, state of Mexico, Mexico Harvard Papers in Botany 17: 65-167.
- Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
- Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
- Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
- Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
- Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
- Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
Sources
GrassBase - The Online World Grass Flora
http://creativecommons.org/licenses/by-nc-sa/3.0
Herbarium Catalogue Specimens
'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0