FACTOID # 13: The United States spends more money on its military than the next 12 nations combined.
 
 Home   Encyclopedia   Statistics   Countries A-Z   Flags   Maps   Education   Forum   FAQ   About 
 
 
 
WHAT'S NEW
RECENT ARTICLES
More Recent Articles »
 

SEARCH ALL

FACTS & STATISTICS    Advanced view

Search encyclopedia, statistics and forums:

 

 

(* = Graphable)

 

 


Encyclopedia > Canada thistle
?
Cirsium arvense

Cirsium arvense
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Asterales
Family: Asteraceae
Genus: Cirsium
Species: C. arvense
Binomial name
Cirsium arvense
(L.) Scop.

Cirsium arvense, also known as the Creeping Thistle, is a species of the genus Cirsium, native throughout Europe, Asia and northern Africa. Download high resolution version (2288x1712, 832 KB)A thistle with cuckoo spit near the base of the bud. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Divisions Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta - liverworts Anthocerotophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants Adiantum pedatum (a fern... Classes Magnoliopsida - Dicots Liliopsida - Monocots The flowering plants (also angiosperms or Magnoliophyta) are one of the major groups of modern plants, comprising those that produce seeds in specialized reproductive organs called flowers, where the ovulary or carpel is enclosed. ... Orders see text Dicotyledons or dicots are flowering plants whose seed contains two embryonic leaves or cotyledons. ... Families See text The Asterales are an order of dicotyledonous flowering plants which include the composite family Asteraceae (sunflowers and daisies) and its related families. ... Genera many, see list The aster or sunflower family (Family Asteraceae or, alternatively Family Compositae) is a taxon of dicotyledonous flowering plants. ... Species See text Thistles are perennial flowering plants of the genus Cirsium. ... In biology, binomial nomenclature is the formal method of naming species. ... Carolus Linnaeus Carl Linnaeus, also known after his ennoblement as Carl von Linné ▶(?), and in English usually under the Latinized name Carolus Linnaeus (May 23, 1707 – January 10, 1778), was a Swedish botanist who laid the foundations for the modern scheme of taxonomy. ... Giovanni Antonio Scopoli (June 3, 1723 - May 8, 1788) was an Italian-Austrian physician and naturalist. ... Species See text Thistles are perennial flowering plants of the genus Cirsium. ... Europe is conventionally considered one of the seven continents which, in this case, is more a cultural and political distinction than a physiogeographic one. ... World map showing Asia. ... Africa is the worlds second-largest and second most populous continent, after Asia. ...


It is a tall herbaceous perennial plant, forming an extensive underground root system that sends up numerous erect stems each spring, reaching 1-2 m tall; the stems often lie partly flat by summer but can stay erect if supported by other vegetation. The leaves are very spiny, lobed, up to 15-20 cm long and 2-3 cm broad (smaller on the upper part of the flower stem). The inflorescence is 1-2 cm diameter, pink-purple, with all the florets of similar form (no division into disc and ray florets). The seeds are 4-5 mm long, with a downy pappus which assists in wind dispersal. This article is about the plants used in cooking and medicine. ... A Red Valerian, a perennial plant. ... Primary and secondary roots in a cotton plant In vascular plants, the root is that organ of a plant body that typically lies below the surface of the soil (compare with stem). ... In botany, a leaf is an above-ground plant organ specialized for photosynthesis. ... An inflorescence is a group or cluster of flowers on a branch of a plant. ... SEED is a block cipher developed by the Korean Information Security Agency. ...


Creeping Thistle is used as a food plant by the Engrailed, a species of moth. Binomial name Ectropis crepuscularia Denis & Schiffermüller, 1775 The Engrailed (Ectropis crepuscularia) is a moth of the family Geometridae. ... A moth is an insect closely related to the butterfly. ...


It is a nuisance weed in its native area, and a very serious invasive species in many other areas of the world. It has been suggested that Invasive plants be merged into this article or section. ...


Several other names have been applied to the species, including Field Thistle, and the very confusing "Canada Thistle" (it is not a native of Canada, being an introduction there).


  Results from FactBites:
 
Canada Thistle (1405 words)
Canada thistle is a creeping perennial that reproduces from vegetative buds in its root system and from seed.
Canada thistle (Cirsium arvense) is an aggressive, creeping perennial weed that infests Crops, pastures, rangeland, roadsides and noncrop areas.
Canada thistle seedlings develop a perennial habit (the ability to reproduce from their root systems) about seven to eight weeks after germination.
The Thistles of North Dakota (4872 words)
Thistle is an old English name, essentially the same in all languages, for a large group of plants with a dubious reputation.
Canada thistle achenes are attached to a pappus which allows long distance movement in the wind or on farm machinery, a major method of movement to new areas.
Musk thistle flower head is characterized by large brown bracts that resemble a pine cone and the tendency to nod or lean because of the large size of the flower.
  More results at FactBites »


 
 

COMMENTARY     


Share your thoughts, questions and commentary here
Your name
Your comments

Want to know more?
Search encyclopedia, statistics and forums:

 


Lesson Plans | Student Area | Student FAQ | Reviews | Press Releases |  Feeds | Contact
The Wikipedia article included on this page is licensed under the GFDL.
Images may be subject to relevant owners' copyright.
All other elements are (c) copyright NationMaster.com 2003-5. All Rights Reserved.
Usage implies agreement with terms, 1022, m