Guayule (Parthenium argentatum), pronounced 'wa-YOO-lee', is a shrub in the genus Parthenium of the family Asteraceae, native to the southwestern United States and northern Mexico. The plant can be used as an alternate source of latex that is also hypoallergenic, unlike the normal Hevea rubber. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms (as opposed to folk taxonomy). ... 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 called angiosperms) are a major group of land plants. ... Young castor oil plant showing its prominent two embryonic leaves (cotyledons), that differ from the adult leaves Dicotyledons or dicots is a name for a group of flowering plants whose seed typically 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. ... In biology, binomial nomenclature is the formal method of naming species. ... Carolus Linnaeus Carl Linnaeus, also known after his ennoblement as (help· info), and in English usually under the Latinized name Carolus Linnaeus (May 23, 1707 – January 10, 1778), the name with which his publications were signed, was a Swedish botanist and physician who laid the foundations for the modern scheme... A broom shrub in flower A shrub or bush is a horticultural rather than strictly botanical category of woody plant, distinguished from a tree by its multiple stems and lower height, usually less than 6 m tall. ... Genera many, see list The aster or sunflower family (Family Asteraceae or, alternatively Family Compositae) is a taxon of dicotyledonous flowering plants. ... LATEX, written as LaTeX in plain text, is a document preparation system for the TeX typesetting program. ... Look up hypoallergenic in Wiktionary, the free dictionary. ... Binomial name Hevea brasiliensis Muell. ...

This plant saw a brief and intense amount of agricultural research during World War II when Japan cut off America's Malaysian latex resources. The war ended before large-scale farming of the guayule plant began, and the project was scrapped, as it was cheaper to import tree-derived latex than to crush the shrubs for a smaller amount of latex. Combatants Allies: • Poland, • UK & Commonwealth, • France, • Soviet Union, • United States, • China, ...and others Axis: • Germany, • Italy, • Japan, ...and others Casualties Military dead: 17 million Civilian dead: 33 million Total: 50 million Full list Military dead: 8 million Civilian dead: 4 million Total: 12 million Full list World War II, also... LATEX, written as LaTeX in plain text, is a document preparation system for the TeX typesetting program. ...

Recently, the guayule plant has seen a small but growing resurgence in research and agriculture due to its hypoallergenic properties. While Hevea-derived rubber contains proteins that can cause severe allergic reactions in a few people, guayule does not. The only guayule products currently on the market are surgical gloves and catheters, but work is currently underway to produce guayule condoms as well. Look up hypoallergenic in Wiktionary, the free dictionary. ... Latex being collected from a wounded rubber tree The Pará rubber tree (Hevea brasiliensis) is a tree belonging to the family Euphorbiaceae. ... Catheter disassembled In medicine, a catheter is a tube that can be inserted into a body cavity duct or vessel. ... A standard latex condom still rolled up This article is about the contraceptive device. ...