Interesting Facts
Common Names
Common Names in English:
Tall Oatgrass
Description
Genus Arrhenatherum
Perennial
. Culms
tall, basal internodes often swollen into globose
corms. Leaf blades
linear
, flat. Inflorescence a moderately dense panicle. Spikelets
weakly laterally compressed
, florets
2, dimorphic
, sometimes with an additional rudiment
, lower floret staminate
and strongly awned
, upper floret bisexual and weakly awned or awnless; rachilla disarticulating
above glumes
but not between florets, extended beyond terminal
floret; glumes unequal, thin, lower glume 1/2 spikelet length or more, 1-veined, upper glume as long as spikelet, 3-veined; lemmas firmly membranous to subleathery, rounded
on back, 5-9-veined, apex 2-denticulate; lower lemma awned from near base
, awn
geniculate
with twisted column, exserted from spikelet; upper lemma with a short straight awn or awnless; palea slightly shorter than lemma, keels ciliate
. Ovary apex hairy
; hilum
linear.
Seven species: SW Asia, Europe, Mediterranean region; one species (introduced
) in China.[1]
Physical Description
Habit: Graminoid
Habitat
Typically found at an altitude of 0 to 732 meters (0 to 2,402 feet).[2]
Biology
Reproduction
Duration: Perennial
Taxonomy
- Domain:
Eukaryota
(
)
- Whittaker & Margulis,1978
- eukaryotes
- Kingdom:
Plantae
()
- Haeckel, 1866
- Plants
- Subkingdom:
Viridaeplantae
()
- Cavalier-Smith, 1981
- Phylum:
Tracheophyta
()
- Sinnott, 1935 ex Cavalier-Smith, 1998
- Vascular Plants
- Subphylum:
Euphyllophytina
()
- (Auct.) Cavalier-Smith, 1998
- Infraphylum:
Angiospermae
()
- Auct.
- Class:
Spermatopsida
()
- Brongniart, 1843
- Subclass:
Commelinidae
()
- Takhtajan, 1967
- Superorder:
Juncanae
()
- Takhtajan, 1967
- Order:
Poales
()
- Small, 1903
- Family:
Gramineae
()
- A.L. de Jussieu, 1789, nom. cons., nom. alt.
- Subfamily:
Pooideae
()
- Tribe:
Aveneae
()
- Subtribe:
Aveninae
()
- Genus:
Arrhenatherum
()
- Palisot de Beauvois, 1812
- Oatgrass
- Specific epithet:
elatius
- (L.) Beauv. ex J.& K. Presl
- Variety:
elatius
- Botanical name: - Arrhenatherum elatius var. elatius (L.) Beauv. ex J.& K. Presl (L.) Beauv. ex J.& K. Presl
- Variety:
elatius
- Specific epithet:
elatius
- (L.) Beauv. ex J.& K. Presl
- Genus:
Arrhenatherum
(
- Subtribe:
Aveninae
(
- Tribe:
Aveneae
(
- Subfamily:
Pooideae
(
- Family:
Gramineae
(
- Order:
Poales
(
- Superorder:
Juncanae
(
- Subclass:
Commelinidae
(
- Class:
Spermatopsida
(
- Infraphylum:
Angiospermae
(
- Subphylum:
Euphyllophytina
(
- Phylum:
Tracheophyta
(
- Subkingdom:
Viridaeplantae
(
- Kingdom:
Plantae
(
Synonyms
Arrhenatherum elatius var. biaristatum (Peterm.) Peterm. • Avena elatior L.
Notes
Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000
Similar Species
Members of the genus Arrhenatherum
ZipcodeZoo has pages for 5 species, subspecies, varieties, forms, and cultivars in this genus:
A. elatius (False Oat Grass) · A. elatius bulbosum var. bulbosum (Tall Oatgrass) · A. elatius bulbosum 'Variegatum' (Bulbous Oat Grass) · A. elatius var. bulbosum (Tuber Oatgrass) · A. elatius var. elatius (Tall Oatgrass)
More Info
- Search for Pictures: images.google.com
- Search for Scholarly Articles: Google Scholar
- Search using Scientific Name and Vernacular Names: All the Web | AltaVista Canada | AltaVista | Excite | Google | HotBot | Lycos
- Search using Specialized Databases: GenBank | Medline | Scirus | CISTI/CAL | Agricola Periodicals | Agricola Books
Further Reading
Notes
Contributors
- Bisby, F.A., Y.R. Roskov, M.A. Ruggiero, T.M. Orrell, L.E. Paglinawan, P.W. Brewer, N. Bailly, J. van Hertum, eds (2007). Species 2000 & ITIS Catalogue of Life: 2007 Annual Checklist. Species 2000: Reading, U.K.
- Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 10, 2012.
- Global Biodiversity Information Facility. Accessed March 18, 2008. http://www.gbif.org Mediated distribution data from 5 providers.
- USDA, NRCS. 2005. The PLANTS Database, Version 3.5 (http://plants.usda.gov). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.
Identifiers
- Biodiversity Heritage Library NamebankID: 5389349
- Catalogue of Life Accepted Name Code: ITS-185327
- Global Biodiversity Information Facility Taxonkey: 13898874
- Globally Unique Identifier: urn:lsid:ipni.org:names:140669-3
- Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 185327
- International Plant Names Index (IPNI) ID: 140669-3
- Natural Heritage Network Species Identifier: PMPOA0L013
- U.S.D.A. Plant Symbol: ARELE
- Zipcode Zoo Species Identifier: 1501580
Footnotes
- Zhen-lan Wu & Sylvia M. Phillips "Arrhenatherum". in Flora of China Vol. 22 Page 6, 316, 322. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
- Mean = 221.070 meters (725.295 feet), Standard Deviation = 176.030 based on 353 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
