Interesting Facts
Description
Genus Alloteropsis
Annuals
or perennials
. Culms
erect
or decumbent
. Leaf blades
convolute, linear
or lanceolate. Inflorescence composed of slender racemes
, these digitate or in whorls on a short common axis, each raceme with a weakly unilateral
, narrowly triquetrous
rachis, spikelets
in pairs or clusters
. Spikelets ovate
to elliptic
, dorsally
compressed
, florets
2; glumes
unequal, acute to briefly awned
; lower glume 1/2 spikelet length, membranous, 3-veined; upper glume as long as spikelet, herbaceous, 5-7-veined, ciliate
along margins
; lower floret staminate
, lemma herbaceous, glabrous
; lower palea much shorter than the anthers
, bifid; upper lemma cartilaginous, margins inrolled
, shortly awned; upper palea acute, the flaps basally auriculate
. Caryopsis ellipsoid
. x = 9.
Five species: tropical
and S Africa, India, SE Asia, Australia; two species in China.
Alloteropsis is best distinguished from other panicoid genera by its awned spikelets and ciliate upper glume.[1]
Taxonomy
- Kingdom:
Plantae
(
)
- Plants
- Phylum:
Tracheophyta
()
- Vascular Plants
- Class:
Spermatopsida
()
- Order:
Poales
()
- Genus:
Alloteropsis
()
- J.S. Presl, in K.B. Presl, 1830
- Summergrass
- Specific epithet:
semialata
- (R.Br.) Hitchc.
- Botanical name: - Alloteropsis semialata (R.Br.) Hitchc.
- Specific epithet:
semialata
- (R.Br.) Hitchc.
- Genus:
Alloteropsis
(
- Order:
Poales
(
- Class:
Spermatopsida
(
- Phylum:
Tracheophyta
(
Synonyms
Axonopus semialatus (R. Br.) Hook. F. • Coridochloa Semialata • Coridochloa semialata (R. Br.) Nees Ex Lindl. • Oplismenus semialatus (R. Br.) Desv. • Panicum Semialatum • Panicum semialatum R. Br. • Panicum semialatum R.Br. • Paspalum semialatum (R. Br.) Eyles • Urochloa semialata (R. Br.) Desv.
Notes
Basionym
: Poaceae Panicum semialatum R.Br.
Basionym author: (R.Br.)
Similar Species
Members of the genus Alloteropsis
ZipcodeZoo has pages for 1 species, subspecies, varieties, forms, and cultivars in this genus:
More Info
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Further Reading
- An enumeration of Philippine flowering plants, Manila, Bureau of Printing, 1922-26. url p. 70.
- Botanical publications of E.D. Merrill. [New York, etc., 1899- url p. 70.
- Bulletin of miscellaneous information /Royal Botanic Gardens, Kew. 1921 London: H.M. Stationery Office, 1900-1941. url p. 407.
- Catalogue of the grasses of Cuba. By A. S. Hitchcock. Washington, Govt. Print. Off., 1909. url p. 257.
- Catalogue of the grasses of Cuba. Washington, Govt. print. off., 1909. url p. 257.
- Contributions from the United States National Herbarium 12 1908-1909 Washington, D.C.: Smithsonian Institution Press, 1890- url p. 257, p. 411, p. 412, p. 415, p. 493, p. 91.
- IUCN Directory of Afrotropical Protected Areas IUCN, UNEP url p. 1011, p. 668, p. 672, p. 683.
- Inventory of seeds and plants imported / U.S. Department of Agriculture, Bureau of Plant Industry. Washington, D.C.: G.P.O., 1914-1924. url p. 19, p. 87, p. 91, p. 93, p. 94.
- List of intercepted plant pests / United States Department of Agriculture, Plant Quarantine and Control Administration. [Washington, D.C.: U.S. G.P.O.], 1932- url p. 28.
- Notes on genera of Paniceae: I-IV / s.l.: s.n., 1906-1911. url p. 149, p. 159.
- Proceedings of the Biological Society of Washington. Washington, Biological Society of Washington url p. 149, p. 159.
Notes
Contributors
- Global Biodiversity Information Facility. Accessed March 15, 2008. http://www.gbif.org Mediated distribution data from 7 providers.
- The International Plant Names Index. Accessed Dec 27, 2011.
Data Sources
Accessed through GBIF Data Portal March 15, 2008:
- Australian National Herbarium (CANB)
- Missouri Botanical Garden
- National Herbarium of New South Wales: NSW herbarium collection
- National Herbarium of New South Wales: Plants of Papua New Guinea
Identifiers
- Biodiversity Heritage Library NamebankID: 5821774
- Global Biodiversity Information Facility Taxonkey: 13691758
- Globally Unique Identifier: urn:lsid:ipni.org:names:103483-3
- International Plant Names Index (IPNI) ID: 103483-3
- Zipcode Zoo Species Identifier: 1157416
Footnotes
- Shou-liang Chen & Sylvia M. Phillips "Alloteropsis". in Flora of China Vol. 22 Page 500, 519. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
