The mashua or añu is a perennial plant grown in the Andes for its edible tuber. It is a major food source there. The tuber is rather peppery in flavor when raw, but this quality disappears when cooked. 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 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. ... Young castor oil plant showing its prominent two embryonic leaves (cotyledons), that differ from the adult leaves An example of a trimerous and non-eudicot flower: Magnolia Dicotyledons or dicots are a group of flowering plants whose seed typically contains two embryonic leaves or cotyledons. ... Families See text The Brassicales are an order of flowering plants, belonging to the rosid group of dicotyledons. ... Genera Magallana Tropaeastrum Tropaeolum * Older traditional systems placed it in the Geraniales Tropaeolaceae is a small family of three genera and about 80-90 species of soft, scrambling herbaceous plants. ... Species About 80 species, including: Full List of Tropaeolum species * In older traditional systems placed in the Geraniales Nasturtium (literally nose-twister), as a common name, is a genus of about 80 species of annual and perennial herbaceous flowering plants Tropaeolum, one of three genera in the family Tropaeolaceae. ... In biology, binomial nomenclature is the formal method of naming species. ... A Red Valerian, a perennial plant. ... The Andes between Chile and Argentina The Andes form the longest mountain chain in the world. ... Oca tubers For the fungal genus, see Truffle. ...

The plant is well adapted to high-altitude subsistence agriculture. It grows vigorously even in marginal soils and in the presence of weeds, and gives high yields; the tubers comprise as much as 75 percent of the mature plants by dry weight (40 percent is typical for cereals), and 70 tons per hectare have been produced under research conditions. Subsistence agriculture is agriculture carried out for survival — with few or no crops available for sale. ... SOiL is a five-piece heavy metal band from Chicago, formed in 1997. ... A weed is an unwanted plant. ... This article is about grains in general. ...

Its extraordinary resistance to insect, nematode, and bacterial pests is attributed to high levels of isothiocyanates. In Colombia, it is planted as a companion crop to repel pests in potato fields. Classes & Orders See taxonomy Insects are invertebrate animals of the Class Insecta, the largest and (on land) most widely-distributed taxon within the phylum Arthropoda. ... Classes Adenophora    Subclass Enoplia    Subclass Chromadoria Secernentea    Subclass Rhabditia    Subclass Spiruria    Subclass Diplogasteria The roundworms (Phylum Nematoda) are one of the most common phyla of animals, with over 20,000 different described species. ... Subgroups Actinobacteria Aquificae Bacteroidetes/Chlorobi Chlamydiae/Verrucomicrobia Chloroflexi Chrysiogenetes Cyanobacteria Deferribacteres Deinococcus-Thermus Dictyoglomi Fibrobacteres/Acidobacteria Firmicutes Fusobacteria Gemmatimonadetes Nitrospirae Planctomycetes Proteobacteria Spirochaetes Thermodesulfobacteria Thermomicrobia Thermotogae Bacteria (singular: bacterium) are a major group of living organisms. ... Isothiocyanate is the chemical group -N=C=S, formed by substituting sulfur for oxygen in the isocyanate group. ... Companion planting in gardening and agriculture is planting of different crops in close physical proximity. ... Binomial name Solanum tuberosum L. The potato (Solanum tuberosum) is a perennial plant of the Solanaceae, or nightshade, family, commonly grown for its starchy tuber. ...

Mashua has also been used to treat nephropathy and as a diuretic. Nephropathy refers to damage to or disease of the kidney. ... A diuretic is any drug that elevates the rate of bodily urine excretion. ...

Popularization of mashua may be limited by its strong flavor, and its reputation as an anti-aphrodisiac. Indeed it been recorded by the Spanish chronicler Cobo that mashua was fed to their armies by the Inca Emperors, "that they should forget their wives" An anaphrodisiac is something that quells or blunts the libido. ...