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This species is accepted, and its native range is Temp. Old World to Tropical Mountains. It is used to treat unspecified medicinal disorders and as a medicine.
Poa annua

[CPLC]

Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

Distribution
Nativa en Colombia; Alt. 1000 - 4000 m.; Andes, Sierra Nevada de Santa Marta.
Morphology General Habit
Hierba
Conservation
No Evaluada

[FTEA]

Gramineae, W. D. Clayton, S. M. Phillips & S. A. Renvoize. Flora of Tropical East Africa. 1974

Morphology General Habit
Loosely to compactly tufted annual or short-lived perennial; culms 2.5–30 cm. high, erect, spreading or prostrate.
Morphology Leaves
Leaf-blades 1–14 cm. long and 1–5 mm. wide, weak, often crinkled when young, blunt at the tip; ligule 2–5 mm. long.
Morphology Reproductive morphology Inflorescences
Panicle ovate or triangular, 1–12 cm. long, open and loose or somewhat dense.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 3–10-flowered, ovate or oblong, 3–10 mm. long; lower glume lanceolate to ovate, 1.5–3 mm. long, 1-nerved; upper glume elliptic or oblong, 2–4 mm. long, 3-nerved, broadest at about the middle; lemmas broadly elliptic with prominent white hyaline margins, 2.5–4 mm. long, obtuse to emarginate (obtuse in side view), glabrous or hairy on the nerves; palea-keels glabrous or ciliate; anthers 0.7–1.2(–1.6) mm. long.
Habitat
A ruderal species of pathsides and disturbed ground in upland districts; 2000–3550 m.
Distribution
K3 K4 T2 T3 T7 U2 cosmopolitan, doubtless introduced to East Africa

[UNAL]

Bernal, R., G. Galeano, A. Rodríguez, H. Sarmiento y M. Gutiérrez. 2017. Nombres Comunes de las Plantas de Colombia. http://www.biovirtual.unal.edu.co/nombrescomunes/

Vernacular
pasto gallina, pata de gallina, piojillo, poa, yerba de gallina, zorrito

[FWTA]

Gramineae, W. D. Clayton. Flora of West Tropical Africa 3:2. 1972

Morphology General Habit
Loosely tufted annual up to about 15 cm. high.

[UPB]

The Useful Plants of Boyacá project

Ecology
Alt. 1000 - 4000 m.
Morphology General Habit
Herb.
Distribution
Native from Colombia.
Conservation
Not Evaluated.

[GB]
Morphology General Habit
Annual; caespitose. Butt sheaths herbaceous. Culms erect, or geniculately ascending, or decumbent; 3-30 cm long; 2-4 -noded. Culm-internodes terete; smooth. Lateral branches lacking, or sparse. Leaves mostly basal. Leaf-sheaths keeled; smooth. Ligule an eciliate membrane; 2-5 mm long; obtuse. Leaf-blades flat, or conduplicate; 1-14 cm long; 1-5 mm wide. Leaf-blade surface smooth; glabrous. Leaf-blade margins scaberulous. Leaf-blade apex obtuse, or abruptly acute; hooded.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle open; pyramidal, or ovate; 1-12 cm long. Primary panicle branches spreading; 1-2 -nate. Panicle branches smooth. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.3-4 mm long.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 3-10 fertile florets; with diminished florets at the apex. Spikelets oblong, or ovate; laterally compressed; 3-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes obscured by lemmas; smooth. Floret callus glabrous, or pubescent.
Fertile
Spikelets comprising 3-10 fertile florets; with diminished florets at the apex. Spikelets oblong, or ovate; laterally compressed; 3-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes obscured by lemmas; smooth. Floret callus glabrous, or pubescent.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate, or ovate; 1.5-3 mm long; 0.7-0.8 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume elliptic, or oblong; 2-4 mm long; 0.9-1 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma ovate; oblong in profile; 2.5-4 mm long; membranous; much thinner above; much thinner on margins; keeled; 5 -veined. Lemma lateral veins stopping well short of apex. Lemma surface glabrous, or pubescent; hairy below; hairy on veins. Lemma apex acute. Palea 0.9 length of lemma. Palea keels eciliate, or ciliolate. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Lodicules 2; membranous. Anthers 3; 0.7-1.3 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Hilum punctiform.
Distribution
Europe: northern, central, southwestern, southeastern, and eastern. Africa: north, Macaronesia, west-central tropical, northeast tropical, east tropical, southern tropical, south, middle Atlantic ocean, and western Indian ocean. Asia-temperate: Siberia, Soviet far east, Soviet Middle Asia, Caucasus, western Asia, Arabia, China, Mongolia, and eastern Asia. Asia-tropical: India, Indo-China, Malesia, and Papuasia. Australasia: Australia and New Zealand. Pacific: southwestern, south-central, and north-central. North America: Subarctic, western Canada, eastern Canada, northwest USA, north-central USA, northeast USA, southwest USA, south-central USA, southeast USA, and Mexico. South America: Mesoamericana, Caribbean, northern South America, western South America, Brazil, and southern South America. Antarctic: Subantarctic islands.
Reference
Poeae. CEH.

[FZ]

Gramineae, E. Launert. Flora Zambesiaca 10:1. 1971

Morphology General Habit
A caespitose delicate annual (very rarely perennial).
Morphology Culms
Culms 2·5-30 cm. tall, 2-4-noded, erect, spreading or decumbent, sometimes rooting at the lower nodes, rather slender, terete, glabrous, smooth.
Morphology Leaves Leaf sheaths
Leaf-sheaths usually loose, somewhat compressed, keeled, smooth, usually glabrous.
Morphology Leaves Ligules
Ligule 2-5 mm. long.
Morphology Leaves Leaf lamina
Leaf-laminae 1·5-10(15) x 0·1-0·5 cm., linear or linear-oblong, with the apex abruptly acute or often cucullate, expanded or folded, flaccid, scaberulous along the margins otherwise smooth, glabrous.
Morphology Reproductive morphology Inflorescences
Panicle 2-8(12) cm. long, open or more rarely contracted, ovate in outline, somewhat stiff; branches usually 2 (rarely 3-5)-nate or solitary, spreading at first, later usually slightly deflexed, smooth; pedicels 0·3-5 mm. long, smooth.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets 3-8(10) mm. long, 3-7(10)-flowered, ovate to oblong in outline, usually crowded, green or often tinged with purple.
Morphology Reproductive morphology Inflorescences Bracts Glume
Inferior glume 1·5-3 mm. long, 1-nerved, ovate or lanceolate; the superior 2-4·25 mm. long, 3-nerved, elliptic or oblong.
Morphology Reproductive morphology Inflorescences Bracts Lemma
Lemmas 2·3-4·25 mm. long, broadly elliptic or ovate-elliptic with white hyaline margins, with the apex obtuse.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers 0·7-1·2(1·6) mm. long.
Morphology Reproductive morphology Fruits
Caryopsis 1-2 mm. long.

[GB]
Morphology General Habit
Perennial; culms solitary. Culms 18-23 cm long; 1 -noded. Leaf-sheaths glabrous on surface, or puberulous. Ligule an eciliate membrane; 0.5-1 mm long; erose. Leaf-blades straight; involute; 3-6 cm long; 2 mm wide; 2 cm long at summit of culm. Leaf-blade surface smooth, or scaberulous; rough adaxially. Leaf-blade apex obtuse, or abruptly acute.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle. Panicle contracted; lanceolate; 4.5-6 cm long. Primary panicle branches ascending. Panicle branches capillary. Spikelets solitary. Fertile spikelets pedicelled. Pedicels terete; smooth.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 9-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes smooth.
Fertile
Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 9-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes smooth.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 2.3-2.5 mm long; 0.75 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse, or acute. Upper glume lanceolate; 3.3-3.5 mm long; 0.66 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume apex obtuse, or acute.
Morphology Reproductive morphology Flowers Florets
Fertile lemma oblong; 5.5-6 mm long; chartaceous; without keel; 5 -veined. Lemma lateral veins prominent. Lemma surface smooth, or scaberulous; rough above. Lemma apex acute; awned; 1 -awned. Principal lemma awn 0.5-1.5 mm long overall. Palea 2 -veined. Palea keels smooth, or scaberulous. Apical sterile florets resembling fertile though underdeveloped.
Morphology Reproductive morphology Flowers
Anthers 3; 0.6-0.8 mm long.
Morphology Reproductive morphology Fruits
Caryopsis with adherent pericarp. Hilum linear.
Distribution
South America: western South America.
Reference
Poeae. Tovar 1995.

[UPB]
Use Medicines
Medicinal (State of the World's Plants 2016).
Use Medicines Unspecified Medicinal Disorders
Medicinal (State of the World's Plants 2016, Instituto Humboldt 2014).

Native to:

Afghanistan, Albania, Algeria, Altay, Amur, Assam, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Burundi, Cameroon, Canary Is., Central European Rus, China North-Central, China South-Central, China Southeast, Corse, Cyprus, Czechoslovakia, Denmark, East Aegean Is., East European Russia, East Himalaya, Egypt, Eritrea, Ethiopia, Finland, France, Føroyar, Germany, Great Britain, Greece, Gulf of Guinea Is., Gulf States, Hainan, Hungary, Iceland, India, Inner Mongolia, Iran, Iraq, Ireland, Irkutsk, Italy, Japan, Kamchatka, Kazakhstan, Kenya, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., Kuwait, Lebanon-Syria, Libya, Madeira, Magadan, Manchuria, Mongolia, Morocco, Myanmar, Nansei-shoto, Nepal, Netherlands, North Caucasus, North European Russi, Northwest European R, Norway, Pakistan, Palestine, Poland, Portugal, Primorye, Qinghai, Romania, Rwanda, Sakhalin, Sardegna, Saudi Arabia, Sicilia, Sinai, South European Russi, Spain, Sri Lanka, Sweden, Switzerland, Tadzhikistan, Taiwan, Tanzania, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Uganda, Ukraine, Uzbekistan, Vietnam, West Himalaya, West Siberia, Xinjiang, Yakutskiya, Yemen, Yugoslavia

Introduced into:

Alabama, Alaska, Alberta, Aleutian Is., Amsterdam-St.Paul Is, Antarctica, Antipodean Is., Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Ascension, Bangladesh, Bermuda, Bolivia, Brazil South, Brazil Southeast, British Columbia, California, Cape Provinces, Chatham Is., Chile Central, Chile North, Chile South, Colombia, Colorado, Connecticut, Costa Rica, Crozet Is., Cuba, Delaware, Desventurados Is., District of Columbia, Dominican Republic, Easter Is., Ecuador, El Salvador, Falkland Is., Florida, Free State, Galápagos, Georgia, Greenland, Guatemala, Haiti, Hawaii, Heard-McDonald Is., Honduras, Idaho, Illinois, Indiana, Iowa, Jamaica, Jawa, Juan Fernández Is., Kansas, Kentucky, Kerguelen, Kermadec Is., KwaZulu-Natal, Labrador, Leeward Is., Lesotho, Lesser Sunda Is., Louisiana, Macquarie Is., Madagascar, Maine, Malaya, Manitoba, Marion-Prince Edward, Massachusetts, Mauritius, Mexican Pacific Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Namibia, Nebraska, Nevada, New Brunswick, New Caledonia, New Guinea, New Hampshire, New Jersey, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, Newfoundland, Nicaragua, Norfolk Is., North Carolina, North Dakota, Northern Provinces, Northern Territory, Northwest Territorie, Nova Scotia, Ogasawara-shoto, Ohio, Oklahoma, Ontario, Oregon, Panamá, Paraguay, Pennsylvania, Peru, Philippines, Prince Edward I., Puerto Rico, Queensland, Québec, Rhode I., Rodrigues, Réunion, Saskatchewan, South Australia, South Carolina, South Dakota, South Georgia, St.Helena, Sumatera, Swaziland, Tasmania, Tennessee, Texas, Tristan da Cunha, Uruguay, Utah, Venezuela, Vermont, Victoria, Virginia, Washington, West Virginia, Western Australia, Wisconsin, Wyoming, Yukon, Zambia, Zimbabwe

Poa annua L. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Mar 1, 2005 Tchiengue, B. [1966], Cameroon K000437365
Jan 1, 1982 Smeds, H. [1152], Ethiopia K000345211
Schimper, W. [968], Saudi Arabia K000641309
Hinton, G.B. [5348], México State K000465692
Hinton, G.B. [1527], México State K000465693
Hinton, J.C. [17253], Nuevo León K000465694
Cordeiro, J. [2135], Brazil K001077917
Dombrowski, L.T. [2056], Brazil K001077923
Lanna, J.P. [43], Brazil K001077925
Hooker, J.D. [s.n.] K001077930
Preston, T.A. [a.n.], Brazil K001077927
s.coll. [s.n.], Uruguay K001077932
Sarahyba, L.S.P. [s.n.], Brazil K001077915
Strang, H.E. [s.n.], Brazil K001077921
Glaziou, A.F.M. [16556] K001077938
Cope, T.A. [RBG 4], United Kingdom K000914511
Baglioli, V. [4], Brazil K001077920
Wight, R. [1789], India K001077929
Longhi-Wagner, H.M. [2857], Brazil K001077939
Skvortzov, B. [48], Brazil K001077916
Maitland, T.D. [854], Cameroon K000181872
Lejeune [s.n.], France K000641167
s.coll. [s.n.], France K000641165
Riedel [s.n.], Brazil K001077934
Glaziou, A. [16556], Brazil K001077936
Glaziou, A. [1638], Brazil K001077935
France K000641166
Lejeune [s.n.], France K000641162
Lejeune [s.n.], France K000641161
Hinds, J. H. [57], Cameroon K000181868
Maitland, T.D. [1216], Cameroon K000181869
Strachey, R. [13], Uttaranchal K000789542 lectotype
Brenan, J.P.M. [9583], Cameroon K000181873
Koczicki, C. [220], Brazil K001077919
Clayton, W.D. [4658], Brazil K001077928
Strachey, R. [13], Uttaranchal K000789541
Gehrt, A. [s.n.], Brazil K001077924
Sellow [s.n.], Brazil K001077926
Hinds, J. H. [5], Cameroon K000181871
Hinton, G.B. [2101], México State K000465691
Pennsylvania K000633947 Unknown type material
Lejeune [s.n.], France K000641163
Glaziou, A. [6970], Brazil K001077933
Cope, T.A. [RBG 375], United Kingdom K000914525
Cope, T.A. [RBG 324], United Kingdom K000914512
Bouton, L. [s.n.], Mauritius K001077931
[illegible] [s.n.], France K000641164
Longhi-Wagner, H.M. [2869], Brazil K001077922
Ball, J. [s.n.], Brazil K001077937
Clayton, W.D. [4340], Brazil K001077918
Wood, J.R.I. [4290], Colombia K001471071
Beck, St.G. [18162], Bolivia Festuca tenuiculmis K001463923
Bolivia, Peru Festuca tenuiculmis K001463924
Sylvester, S.P. [2066], Peru Festuca tenuiculmis K001464460

First published in Sp. Pl.: 68 (1753)

Accepted by

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  • Wood, J.R.I. (1997). A Handbook of the Yemen Flora: 1-434. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
  • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.

Literature

Catálogo de Plantas y Líquenes de Colombia

  • ColPlantA (2021). "ColPlantA. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://www.colplanta.org/"

Flora of West Tropical Africa

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Useful Plants of Boyacá Project

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Kew Backbone Distributions

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Flora of Tropical East Africa

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Catálogo de Plantas y Líquenes de Colombia
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Colombian resources for Plants made Accessible
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Flora Zambesiaca
Flora Zambesiaca
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Flora of Tropical East Africa
Flora of Tropical East Africa
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Flora of West Tropical Africa
Flora of West Tropical Africa
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GrassBase - The Online World Grass Flora
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Herbarium Catalogue Specimens
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Digital Image © Board of Trustees, RBG Kew K001463924
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Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. 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 2021. 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

Kew Science Photographs
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Universidad Nacional de Colombia
ColPlantA database
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Useful Plants of Boyacá Project
ColPlantA database
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