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:
angusta
- Stapf
- Botanical name: - Alloteropsis angusta Stapf
- Specific epithet:
angusta
- Stapf
- Genus:
Alloteropsis
(
- Order:
Poales
(
- Class:
Spermatopsida
(
- Phylum:
Tracheophyta
(
Notes
Publishing author : Stapf Publication : Fl. Trop. Afr. [Oliver et al. ] 9(3): 485 1919 [24 Jan 1919]
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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- Search using Specialized Databases: GenBank | Medline | Scirus | CISTI/CAL | Agricola Periodicals | Agricola Books
Further Reading
Notes
Contributors
- Global Biodiversity Information Facility. Accessed November 16, 2007. http://www.gbif.org Mediated distribution data from 2 providers.
- The International Plant Names Index. Accessed Dec 27, 2011.
Data Sources
Accessed through GBIF Data Portal November 16, 2007:
- Missouri Botanical Garden, Missouri Botanical Garden
Identifiers
- Biodiversity Heritage Library NamebankID: 8683842
- Global Biodiversity Information Facility Taxonkey: 15743282
- Globally Unique Identifier: urn:lsid:ipni.org:names:386991-1
- International Plant Names Index (IPNI) ID: 386991-1
- Zipcode Zoo Species Identifier: 1157394
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]
