? Cynanchum
In the foreground, Cynanchum aphyllum
Scientific classification
Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Gentianales Family: Apocynaceae Subfamily: Cynanchinae Genus: Cynanchum L. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Divisions Green algae land plants (embryophytes) non-vascular embryophytes Hepatophyta - liverworts Anthocerophyta - hornworts Bryophyta - mosses vascular plants (tracheophytes) seedless vascular plants Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongue ferns seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering... Classes Magnoliopsida - Dicots Liliopsida - Monocots The flowering plants (also called angiosperms) are a major group of land plants. ... Orders see text Dicotyledons or dicots are flowering plants whose seed contains two embryonic leaves or cotyledons. ... Families Gentianaceae (gentian family) Apocynaceae (dogbane family) Gelsemiaceae Loganiaceae (logania family) Rubiaceae (coffee family) The Gentianales are an order of flowering plants, included within the asterid group of dicotyledons. ... Genera See text The Family Apocynaceae or dogbane family of flowering plants includes trees, shrubs, herbs, or lianas. ... Carolus Linnaeus Carl Linnaeus, also known after his ennoblement as Carl von Linné â–¶(?), 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. ...
Species
Cynanchum acuminatifolium Cynanchum acutum Cynanchum amplexicaule Cynanchum andringitrense Cynanchum angustifolium Cynanchum anthonyanum Cynanchum aphyllum Cynanchum atratum Cynanchum auriculatum Cynanchum arizonicum Cynanchum barbigerum - bearded swallowwort Cynanchum batangense Cynanchum bicampanulatum Cynanchum biondioides Cynanchum boudieri Cynanchum brevicoronatum Cynanchum bungei Cynanchum callialatum Cynanchum canescens Cynanchum carnosum Cynanchum chekiangense Cynanchum chinense Cynanchum christineae Cynanchum corymbosum Cynanchum danguyanum Cynanchum decipiens Cynanchum duclouxii Cynanchum elegans Cynanchum erubescens Cynanchum fordii Cynanchum formosanum Cynanchum forrestii Cynanchum giraldii Cynanchum glaucescens Cynanchum floribundum - Dumara bush Cynanchum gortsianum Cynanchum heydei Cynanchum hydrophilum Cynanchum inamoenum Cynanchum insulanum Cynanchum kingdonwardii Cynanchum kintungense Cynanchum komarovii Cynanchum kwangsiense Cynanchum laeve - honeyvine Cynanchum lineare Cynanchum linearisepalum Cynanchum longipedunculatum Cynanchum louiseae - Louis's swallowwort Cynanchum lysimachioides Cynanchum marnieranum Cynanchum megalanthum Cynanchum mongolicum Cynanchum mooreanum Cynanchum nigrum Cynanchum officinale Cynanchum otophyllum Cynanchum paniculatum Cynanchum pedunculatum Cynanchum pingshanicum Cynanchum puberulum Cynanchum purpureum Cynanchum racemosum Cynanchum riparium Cynanchum rockii Cynanchum rossicum - pale swallowwort, dog-strangling swallowwort, dog-strangling vine Cynanchum sinoracemosum Cynanchum stauntonii Cynanchum stenophyllum Cynanchum sublanceolatum Cynanchum szechuanense Cynanchum taihangense Cynanchum thesioides Cynanchum utahense Cynanchum versicolor Cynanchum verticillatum Cynanchum vincetoxicum Cynanchum volubile Cynanchum wallichii Cynanchum wangii Cynanchum wilfordii In biology, a species is the basic unit of biodiversity. ...

Cynanchum is a genus of about 300 species including the Swallow-worts, belonging to the family Apocynaceae. The taxon name comes from Greek kynos (meaning "dog") and anchien ("to choke"), referring to the toxicity of these plants. Most species are all non succulent climbers or twiners. In biology, a genus (plural genera) is a grouping in the classification of living organisms having one or more related and morphologically similar species. ... In biology, a species is the basic unit of biodiversity. ... Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... Genera See text The Family Apocynaceae or dogbane family of flowering plants includes trees, shrubs, herbs, or lianas. ... Toxicity (from Greek τοξικότητα - poisonousness) is a measure to the degree to which something is toxic or poisonous. ... In biology, a species is the basic unit of biodiversity. ... Succulent plants, or succulents, are plants that store water in their enlarged fleshy leaves, stems, or roots. ...

Distribution

These species are found worldwide in the Tropics and Subtropics. Several species also grow in temperate regions. The tropics are the geographic region of the Earth centered on the equator and limited in latitude by the two tropics: the Tropic of Cancer in the north and the Tropic of Capricorn in the southern hemisphere. ... The subtropics (also known as semitropics) are the geographic regions of the Earth immediately north and south, respectively, of the two tropics: the Tropic of Cancer and the Tropic of Capricorn - i. ... In geography, temperate latitudes of the globe lie between the tropics and the polar circles. ...

Use

The root of Cynanchum atratum is used in Chinese traditional medicine and called Bai wei. Traditional Chinese medicine (TCM) also known simply as Chinese medicine (Chinese: 中醫學 or 中药学, zhōngyào xŭe) or traditional Oriental medicine, is the name commonly given to a range of China thousands of years ago. ...

External sources

• Cynanchum at Flora of China