''Cobaea scandens'', the cup-and-saucer
vine
A vine (Latin ''vīnea'' "grapevine", "vineyard", from ''vīnum'' "wine") is any plant with a growth habit of trailing or scandent (that is, climbing) stems, lianas or runners. The word ''vine'' can also refer to such stems or runners themselv ...
, cathedral bells, Mexican ivy, or monastery bells, is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
in the phlox family Polemoniaceae. It is
native
Native may refer to:
People
* Jus soli, citizenship by right of birth
* Indigenous peoples, peoples with a set of specific rights based on their historical ties to a particular territory
** Native Americans (disambiguation)
In arts and entert ...
to Mexico, with isolated sightings elsewhere in tropical central and South America.
Description
It is a self-clinging perennial climber. The Latin
specific epithet
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
''scandens'' means “climbing”.
The leaves comprise four leaflets and a tendril furnished with small hooks for clinging on to a support. The large forward-facing violet flowers, which are pollinated by bats in their native habitat, are bell-shaped with a pronounced ruff - hence the name “cup-and-saucer”. Mature flowers are scented. Present a capsular fruits with seeds.
Cultivation
It is widely cultivated for its twining habit and its highly ornamental flowers, long, which change from white to purple. In
temperate
In geography, the temperate climates of Earth occur in the middle latitudes (23.5° to 66.5° N/S of Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ranges throughout t ...
regions it is best grown as a
half-hardy annual
Annual may refer to:
*Annual publication, periodical publications appearing regularly once per year
** Yearbook
** Literary annual
*Annual plant
*Annual report
*Annual giving
*Annual, Morocco, a settlement in northeastern Morocco
*Annuals (band), ...
, sown in heat under glass in early spring, and planted out after all danger of frost is past.
[ It has gained the ]Royal Horticultural Society
The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity.
The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr (Nort ...
's Award of Garden Merit
The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions.
History
The Award of Garden Merit ...
(confirmed 2017). A white form exists, ''C. scandens'' f. ''alba''.
Darwin’s observations
Charles Darwin
Charles Robert Darwin ( ; 12 February 1809 – 19 April 1882) was an English naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology. His proposition that all species of life have descended fr ...
in 1875 made a detailed study of various climbing and twining plants, subjecting them to stimuli such as light and touch, and presenting them with a range of surfaces while minutely examining their movement over time. He was impressed by the exceptional strength and speed of ''Cobaea scandens'':
References
*
External links
''Cobaea scandens''
*
{{Taxonbar, from=Q424385
Polemoniaceae
Flora of Mexico
Vines
Taxa named by Antonio José Cavanilles