Overview
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Threatened |
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Common Names
Common Names in English:
Little Amphianthus
Description
Family Scrophulariaceae
Herbs, sometimes shrubs
, rarely trees
; mostly autotrophic, less often hemiparasitic or parasitic. Stipules absent. Leaves alternate, opposite, whorled
, or basally opposite and apically alternate, simple
or sometimes pinnately dissected
. Inflorescences racemes
, spikes, or thyrsoid
panicles, determinate or indeterminate, or flowers solitary. Flowers perfect
, usually zygomorphic, rarely actinomorphic
. Calyx often persistent
, (2-) 4- or 5-lobed or -parted, variously connate
. Corolla sympetalous
; limb (3 or) 4- or 5-lobed, often 2-lipped. Stamens mostly 4, didynamous
, sometimes 1 or 2 staminodes present, less often 2 or 5 stamens; anther
locules 1 or 2, equal or subequal
, free
or confluent
. Nectary
often present at base
of ovary, ringlike, cupular, or reduced to a gland
. Ovary superior, 2-loculed, rarely apically 1-loculed; ovules numerous
, rarely 2 per locule, on axile
placentas, anatropous
or hemitropous
. Style simple; stigma capitate, 2-lobed, or 2-lamellate. Fruit a capsule, septicidal
, loculicidal, or septifragal, sometimes opening by pores
or irregularly dehiscent
, rarely a berry. Seeds minute or rarely conspicuous
, sometimes winged
; testa often reticulate
; hilum
lateral
or ventral; endosperm fleshy
or absent; embryo straight or curved
.
About 220 genera and 4500 species: cosmopolitan
; 61 genera (seven endemic) and 681 species (415 endemic) throughout China but with a greater concentration in SW China.[1]
Physical Description
Species Amphianthus pusillus
A small, aquatic , annual with white flowers that usually flower in March or April. This floating plant has submerged leaves less than one centimeter long. It has a life cycle of three to four weeks.
Habit: Forb/herb
Biology
Reproduction
Duration: Annual
Taxonomy
- Domain:
Eukaryota
(
)
- Whittaker & Margulis,1978
- eukaryotes
- Kingdom:
Plantae
()
- Haeckel, 1866
- Plants
- Subkingdom:
Viridaeplantae
()
- Cavalier-Smith, 1981
- Phylum:
Magnoliophyta
()
- Sinnott, 1935 Ex Cavalier-Smith, 1998
- Flowering Plants
- Subphylum:
Euphyllophytina
()
- Infraphylum:
Radiatopses
()
- Kenrick & Crane, 1997
- Class:
Magnoliopsida
()
- Brongniart, 1843
- Dicotyledons
- Subclass:
Lamiidae
()
- Takhtajan Ex Reveal, 1992
- Superorder:
Lamianae
()
- Takhtajan, 1967
- Order:
Scrophulariales
()
- Lindley, 1833
- Family:
Scrophulariaceae
()
- Durande, 1782, Nom. Cons.
- Figwort Family
- Tribe:
Gratioleae
()
- Genus:
Amphianthus
()
- Torrey and A. Gray, 1842, nom. cons.
- Specific epithet:
pusillus
- Torr.
- Botanical name: - Amphianthus pusillus Torr.
- Specific epithet:
pusillus
- Torr.
- Genus:
Amphianthus
(
- Tribe:
Gratioleae
(
- Family:
Scrophulariaceae
(
- Order:
Scrophulariales
(
- Superorder:
Lamianae
(
- Subclass:
Lamiidae
(
- Class:
Magnoliopsida
(
- Infraphylum:
Radiatopses
(
- Subphylum:
Euphyllophytina
(
- Phylum:
Magnoliophyta
(
- Subkingdom:
Viridaeplantae
(
- Kingdom:
Plantae
(
Notes
Name
Status: Accepted Name
. Latest taxonomic
scrutiny: 15-Mar-2000
Place of publication
: Ann. Lyceum Nat. Hist. New York 4:82. 1837
Name verified on 08-Jul-1994 by ARS Systematic Botanists. Last updated: 22-May-1997
Similar Species
Members of the genus Amphianthus
ZipcodeZoo has pages for 2 species, subspecies, varieties, forms, and cultivars in this genus:
A. ornatum · A. pusillus (Little Amphianthus)
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
- Catalogue of scientific papers, 1800-1900. Compiled by the Royal Society of London. London, C.J. Clay and Sons, 1867-1902 [etc.] Cambridge, Cambridge University Press, 1914-25. ENG url p. 904.
- Duncan, W. H. & J. T. Kartesz. 1981. Vascular flora of Georgia: an annotated checklist. (L Georgia)
- Evolution: process and product. New York, Reinhold[1960] ENG url p. 313.
- Flora of the southern United States: containing abridged descriptions of the flowering plants and ferns of Tennessee, North and South Carolina, Georgia, Alabama, Mississippi, and Florida: arranged according to the natural system. The ferns by Daniel C. Ea New York, Ivison, Phinney, 1865. ENG url p. 295.
- Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. (L US Can ed2)
- Kral, R. 1983. A report on some rare, threatened, or endangered forest-related vascular plants of the South. Techn. Publ. U.S. Forest Serv. R8 TP2, 2:1030.
- Proceedings of the Academy of Natural Sciences of Philadelphia. [Philadelphia, Academy of Natural Sciences of Philadelphia] ENG url p. 244, p. 324.
- Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas. (F Carolin)
- Repertorium botanices systematicae. Auctore Guilielmo Gerardo Walpers Lipsiae, Sumtibus Friderici Hofmeister, 1842-48. LAT url p. 938.
- United States Fish and Wildlife Service. U.S. Fish & Wildlife Service. Species Information: threatened and endangered animals and plants - on-line resource. (US Fish & Wildl List)
- Tsoong Puchiu & Yang Hanbi, eds. 1979. Scrophulariaceae (1). Fl. Reipubl. Popularis Sin. 67(2): 1-431. Tsoong Puchiu, ed. 1963. Scrophulariaceae (2). Fl. Reipulb. Popularis Sin. 68: 1-449.
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.
- Global Biodiversity Information Facility. Accessed November 18, 2007. http://www.gbif.org Mediated distribution data from 3 providers.
- USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. URL (April 28, 2008)
Data Sources
Accessed through GBIF Data Portal November 18, 2007:
- USDA PLANTS, USDA PLANTS Database
- University of Alabama Biodiversity and Systematics, Herbarium
Identifiers
- Biodiversity Heritage Library NamebankID: 2655848
- Catalogue of Life Accepted Name Code: ITS-33463
- Global Biodiversity Information Facility Taxonkey: 13734036
- Globally Unique Identifier: urn:lsid:ipni.org:names:798874-1
- GRIN Nomen Number: 320311
- Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 33463
- International Plant Names Index (IPNI) ID: 798874-1
- Natural Heritage Network Species Identifier: PDSCR02010
- U.S. Fish and Wildlife Service Species Identifier: Q1ST
- U.S.D.A. Plant Symbol: AMPU7
- Zipcode Zoo Species Identifier: 19215
Footnotes
- Deyuan Hong, Hanbi Yang, Cun-li Jin, Manfred A. Fischer, Noel H. Holmgren & Robert R. Mill "Scrophulariaceae". in Flora of China Vol. 18 Page 1. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
