Aira praecox

• Overview
• Interesting Facts
• Common Names
• Description
• Biology
• Taxonomy
• Similar Species
• More Info
• Further Reading
• Notes

Overview

Interesting Facts

Common Names

Click on the language to view common names.

Description

Genus Aira

Annuals , small. Leaf blades rolled. Inflorescence an open or contracted panicle. Spikelets small, laterally compressed , florets 2, both alike, bisexual , separated by very short internode, disarticulating below each floret; rachilla not extended beyond upper floret; glumes persistent , equal, enclosing florets, ovate , membranous, shining, 1(-3) -veined, apex acute; floret callus small, usually shortly bearded laterally, rarely glabrous ; lemmas ovate, rounded on back, membranous becoming firm at maturity, indistinctly 5-veined, glabrous, upper part scaberulous to scabrid , awned from lower back or lower floret awnless, apex 2-toothed; awn geniculate with twisted column; palea slightly shorter than lemma. Anthers small. Caryopsis fusiform . 2n = 14, 28.

Eight species: centered on the Mediterranean region, extending northward to Scandinavia and eastward to Iran and Afghanistan; introduced in other temperate regions ; one species in China.[1]

Physical Description

Biology

Reproduction

Duration: Annual

Growth

Sunlight: Sun Exposure: Sun to Partial Shade.

Taxonomy

Synonyms

Agrostis praecox (L.) Salisb. • Airella praecox (L.) Dumort. • Airopsis praecox (L.) Fr. • Aspris praecox (L.) Nash • Avena praecox (L.) P. Beauv. • Caryophyllea praecox (L.) Opiz • Fussia praecox (L.) Schur • Salmasia praecox (L.) Bubani

Notes

Publishing author : L. Publication : Species Plantarum 1753 (1 May 1753)

Similar Species

Members of the genus Aira

ZipcodeZoo has pages for 5 species, subspecies, varieties, forms, and cultivars in this genus:

A. caryophyllea (Silver Hairgrass) · A. caryophyllea caryophyllea (Silver Hair Grass) · A. cupaniana (Small Hair-Grass) · A. elegans (Aira) · A. praecox (Early Hair-Grass)

More Info

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Further Reading

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Notes

Contributors

• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 10, 2012.

Data Sources

Accessed through GBIF Data Portal November 18, 2007:

• Jyväskylä University Museum - The Section of Natural Sciences, Vascular plant collection of Jyvaskyla University Museum
• Natural History Museum, University of Oslo, Vascular Plant Herbarium, Oslo
• Natural History Museum, University of Oslo, Vascular Plants, Field notes, Oslo
• Oregon State University, Vascular Plant Collection
• The Danish Biodiversity Information Facility, Botany registration database by Danish botanists
• The Swedish Museum of Natural History
• , Herbarium of Oskarshamn
• The Swedish Museum of Natural History
• , Plants
• UK National Biodiversity Network, Botanical Society of the British Isles - Vascular Plants Database
• UK National Biodiversity Network, Environment and Heritage Service - EHS Species Datasets
• UK National Biodiversity Network, Joint Nature Conservation Committee - Vegetation surveys of coastal shingle in Great Britain
• UK National Biodiversity Network, Scottish Borders Biological Records Centre - SWT Scottish Borders Local Wildlife Site Survey data 1996-2000 - species information
• USDA PLANTS, USDA PLANTS Database
• University of Washington Burke Museum, Vascular Plant Collection - University of Washington Herbarium

Identifiers

• Biodiversity Heritage Library NamebankID: 2661413
• Catalogue of Life Accepted Name Code: ITS-41378
• Global Biodiversity Information Facility Taxonkey: 3027485
• Globally Unique Identifier: urn:lsid:ipni.org:names:97885-3
• GRIN Nomen Number: 2093
• Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 41378
• International Plant Names Index (IPNI) ID: 97885-3
• Natural Heritage Network Species Identifier: PMPOA05030
• U.S.D.A. Plant Symbol: ASPR14
• Zipcode Zoo Species Identifier: 20337

Footnotes

1. Zhen-lan Wu & Sylvia M. Phillips "Aira". in Flora of China Vol. 22 Page 316, 334. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]

©2004-2012 David Stang. All rights reserved.