genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
s within the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Campanulaceae
The family Campanulaceae (also bellflower family), of the order Asterales, contains nearly 2400 species in 84 genera of herbaceous plants, shrubs, and rarely small trees, often with milky sap. Among them are several familiar garden plants bel ...
, native to
North
North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating Direction (geometry), direction or geography.
Etymology
T ...
and
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...
.Kew World Checklist of Selected Plant Species /ref> Venus' looking-glass is a common name for plants in this genus.
Species
Six species are accepted.
*'' Triodanis coloradoensis'' (Buckley) McVaugh - Colorado Venus' looking-glass - endemic to Texas despite the name
*'' Triodanis holzingeri'' McVaugh - Holzinger's Venus' looking-glass - Great Plains plus Arizona and Tennessee
*'' Triodanis lamprosperma'' McVaugh - Prairie Venus' looking-glass - southern Great Plains
*'' Triodanis leptocarpa'' (Nutt.) Nieuwl. - Slimpod Venus' looking-glass - Great Plains
*''
Triodanis perfoliata
''Triodanis perfoliata'', the clasping Venus' looking-glass or clasping bellflower, is an annual flowering plant belonging to the family Campanulaceae (bellflower family). It is an annual herb native to North and South America, the natural range ...
'' (L.) Nieuwl. - Clasping Venus' looking-glass - widespread across North and South America from Canada to Argentina; naturalized in China, Korea, Australia
** ''Triodanis perfoliata'' subsp. ''biflora'' (synonym '' Triodanis biflora'' ) - small Venus' looking-glass - United States and northern Mexico; Colombia to southern Argentina
**''Triodanis perfoliata'' subsp. ''perfoliata'' – Canada to Guatemala
*'' Triodanis texana'' McVaugh - Texas Venus' looking-glass - endemic to Texas